Lightblue2
lightblue2 · #B2DFEE
HEX
#B2DFEE
RGB
rgb(178, 223, 238)
CMYK
cmyk(25%, 6%, 0%, 7%)
HSL
hsl(195, 64%, 82%)
LAB
lab(86.2, -11.2, -12.1)
What is Lightblue2?
Lightblue2 is the lightblue2 reference in the X11 named colors. Its sRGB value is #B2DFEE (rgb 178, 223, 238). It sits in the cyan family. Historical X Window System color names — the numbered 1-4 lightness variants of the classic xorg-server rgb.txt palette. See disclaimer for accuracy and trademark notes.
Accessibility
WCAG 2.1 contrast checks for Lightblue2 as a background.
Black text on this color
White text on this color
Shades, tints & tonal scale of Lightblue2
An 11-step tonal scale derived from Lightblue2 (#B2DFEE). Click any swatch to copy its HEX. Use these as a starting point for design tokens, hover states, and disabled states in a design system.
50
#F9FCFE
#F9FCFE
100
#F3FAFC
#F3FAFC
200
#E6F5FA
#E6F5FA
300
#D9EFF7
#D9EFF7
400
#C5E7F2
#C5E7F2
500
#B2DFEE
#B2DFEE
600
#97BECA
#97BECA
700
#74919B
#74919B
800
#50646B
#50646B
900
#2D383C
#2D383C
950
#151B1D
#151B1D
Lighter tints (mixed with white)
15%
#C0E4F1
30%
#CDE9F3
45%
#D9EEF6
60%
#E4F3F8
75%
#EFF8FB
Darker shades (mixed with black)
15%
#A5CFDD
30%
#97BECB
45%
#88ABB6
60%
#75949E
75%
#5E777F
Color harmonies for Lightblue2
Classic color-theory harmonies derived from rotating the hue of Lightblue2. Use these to build accent palettes, brand systems, and accessible UI color pairings.
Complementary
180° opposite — strongest contrast
#B2DFEE
#B2DFEE
#EEC2B4
#EEC2B4
Triadic
Three colors 120° apart
#B2DFEE
#B2DFEE
#EEB4E0
#EEB4E0
#E0EEB4
#E0EEB4
Analogous
Two neighbors ±30° on the wheel
#B4EEE0
#B4EEE0
#B2DFEE
#B2DFEE
#B4C2EE
#B4C2EE
Split-complementary
Base + two colors flanking its complement
#B2DFEE
#B2DFEE
#EEB4C2
#EEB4C2
#EEE0B4
#EEE0B4
Tetradic
Two complementary pairs
#B2DFEE
#B2DFEE
#C2B4EE
#C2B4EE
#EEC2B4
#EEC2B4
#E0EEB4
#E0EEB4
Square
Four colors evenly spaced 90° apart
#B2DFEE
#B2DFEE
#E0B4EE
#E0B4EE
#EEC2B4
#EEC2B4
#C2EEB4
#C2EEB4
Lightblue2 in every color space
Full conversion of Lightblue2 across the color spaces designers and developers actually use — including OKLCH (the perceptually-uniform space that powers Tailwind v4 and CSS Color Module Level 4) and HWB.
HEX
#B2DFEE
RGB
rgb(178, 223, 238)
CMYK
cmyk(25%, 6%, 0%, 7%)
HSL
hsl(195, 64%, 82%)
HSV
hsv(195, 25%, 93%)
HWB
hwb(195 70% 7%)
CIE Lab
lab(86.2 -11.2 -12.1)
OKLCH
oklch(87.7% 0.051 220.2)
XYZ (D65)
xyz(60.18, 68.41, 90.91)
Copy-ready code for Lightblue2
Drop-in snippets for CSS, Tailwind, Sass, iOS Swift, and Android XML. Click the copy button on any snippet to put it on your clipboard.
CSS
color: #B2DFEE;
background-color: #B2DFEE;CSS variable
:root {
--color-lightblue2: #B2DFEE;
}Tailwind config
// tailwind.config.js
colors: {
'lightblue2': '#B2DFEE',
}Sass
$color-lightblue2: #B2DFEE;Swift UIColor
UIColor(red: 0.698, green: 0.875, blue: 0.933, alpha: 1.0)Android XML
<color name="lightblue2">#B2DFEE</color>Closest match in every color system
The nearest Lightblue2 equivalent in every other color system on this site, ranked by ΔE2000 perceptual distance. Useful when translating between design-system, web-standard, and industrial color references.
Closest in X11 named colors
Top 6 ΔE2000-closest entries within the same collection.
Closest Pantone matches
Top 6 ΔE2000-closest Pantone references. Cross-system matching is approximate — see disclaimer.
Closest RAL Classic matches
Top 6 ΔE2000-closest RAL Classic references for industrial coating cross-reference.
RAL 6027
#84C3BE
Light green
RAL 7035
#D7D7D7
Light grey
RAL 9018
#D7D7D7
Papyrus white
RAL 9003
#F4F4F4
Signal white
RAL 9016
#F6F6F6
Traffic white
RAL 9010
#FFFFFF
Pure white
FAQ about Lightblue2
What is the HEX code for Lightblue2?
Lightblue2 (lightblue2) has the HEX code #B2DFEE. In RGB it is rgb(178, 223, 238), and in CMYK it is cmyk(25%, 6%, 0%, 7%).
What is the OKLCH value of Lightblue2?
Lightblue2 converts to oklch(0.877 0.051 220.2). OKLCH is the perceptually uniform color space used by Tailwind v4 and CSS Color Module Level 4.
Is Lightblue2 accessible for body text?
Used as a background, Lightblue2 has a contrast ratio of 14.68:1 with black text and 1.43:1 with white text. WCAG 2.1 AA requires 4.5:1 for normal text. The current recommendation is to use black text and verify in real UI context.
What is the closest Pantone to Lightblue2?
The closest Pantone reference to Lightblue2 by ΔE2000 perceptual distance is Pantone 7457 C (#BBDDE6). Cross-system Pantone matching is approximate; for color-critical print work, verify with a physical Pantone guide.
What is the closest RAL color to Lightblue2?
The closest RAL Classic reference to Lightblue2 by ΔE2000 distance is RAL 6027 (Light green, #84C3BE). RAL is a German industrial coating standard commonly used for paint, powder coat, and architectural specification.
What is the complementary color of Lightblue2?
The complementary color (180° opposite on the HSL color wheel) of Lightblue2 is #EEC2B4. Use it for high-contrast accents, error states, or call-to-action pairings.
Data provenance & source
X11 named colors (xorg rgb.txt)
The historical X11 color name list shipped in the xorg-server rgb.txt file. Roughly 550 entries covering classic computing color names like 'PapayaWhip', 'MediumAquamarine', and 'DarkSlateGray'. Many CSS named colors originate here. Use as a reference for legacy and creative color names. Most modern CSS implementations accept these names directly.
- Source type
- derived
- Confidence
- high
- License
- MIT/X11 license (X Consortium)
- Last reviewed
- 2026-05-24
Workflow tags
X11 colors are sRGB digital values from a 1980s color system. For print, convert to a process-appropriate color and proof against substrate.