Steelblue2
steelblue2 · #5CACEE
HEX
#5CACEE
RGB
rgb(92, 172, 238)
CMYK
cmyk(61%, 28%, 0%, 7%)
HSL
hsl(207, 81%, 65%)
LAB
lab(68.0, -5.0, -40.3)
What is Steelblue2?
Steelblue2 is the steelblue2 reference in the X11 named colors. Its sRGB value is #5CACEE (rgb 92, 172, 238). It sits in the blue 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 Steelblue2 as a background.
Black text on this color
White text on this color
Shades, tints & tonal scale of Steelblue2
An 11-step tonal scale derived from Steelblue2 (#5CACEE). 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
#F2F8FE
#F2F8FE
100
#E5F2FC
#E5F2FC
200
#CBE4FA
#CBE4FA
300
#AED6F7
#AED6F7
400
#85C1F2
#85C1F2
500
#5CACEE
#5CACEE
600
#4E92CA
#4E92CA
700
#3C709B
#3C709B
800
#294D6B
#294D6B
900
#172B3C
#172B3C
950
#0B151D
#0B151D
Lighter tints (mixed with white)
15%
#87BCF1
30%
#A5CAF3
45%
#BDD7F6
60%
#D2E3F8
75%
#E4EEFB
Darker shades (mixed with black)
15%
#55A0DD
30%
#4D92CB
45%
#4583B6
60%
#3A719E
75%
#2D5A7F
Color harmonies for Steelblue2
Classic color-theory harmonies derived from rotating the hue of Steelblue2. Use these to build accent palettes, brand systems, and accessible UI color pairings.
Complementary
180° opposite — strongest contrast
#5CACEE
#5CACEE
#EE9F5D
#EE9F5D
Triadic
Three colors 120° apart
#5CACEE
#5CACEE
#EE5DAD
#EE5DAD
#ADEE5D
#ADEE5D
Analogous
Two neighbors ±30° on the wheel
#5DEEE7
#5DEEE7
#5CACEE
#5CACEE
#5D65EE
#5D65EE
Split-complementary
Base + two colors flanking its complement
#5CACEE
#5CACEE
#EE5D65
#EE5D65
#EEE75D
#EEE75D
Tetradic
Two complementary pairs
#5CACEE
#5CACEE
#9F5DEE
#9F5DEE
#EE9F5D
#EE9F5D
#ADEE5D
#ADEE5D
Square
Four colors evenly spaced 90° apart
#5CACEE
#5CACEE
#E75DEE
#E75DEE
#EE9F5D
#EE9F5D
#65EE5D
#65EE5D
Steelblue2 in every color space
Full conversion of Steelblue2 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
#5CACEE
RGB
rgb(92, 172, 238)
CMYK
cmyk(61%, 28%, 0%, 7%)
HSL
hsl(207, 81%, 65%)
HSV
hsv(207, 61%, 93%)
HWB
hwb(207 36% 7%)
CIE Lab
lab(68.0 -5.0 -40.3)
OKLCH
oklch(72.1% 0.125 245.6)
XYZ (D65)
xyz(34.59, 37.95, 86.37)
Copy-ready code for Steelblue2
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: #5CACEE;
background-color: #5CACEE;CSS variable
:root {
--color-steelblue2: #5CACEE;
}Tailwind config
// tailwind.config.js
colors: {
'steelblue2': '#5CACEE',
}Sass
$color-steelblue2: #5CACEE;Swift UIColor
UIColor(red: 0.361, green: 0.675, blue: 0.933, alpha: 1.0)Android XML
<color name="steelblue2">#5CACEE</color>Closest match in every color system
The nearest Steelblue2 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 5012
#3B83BD
Light blue
RAL 7001
#8F999F
Silver grey
RAL 7000
#7E8B92
Squirrel grey
RAL 7040
#9DA1AA
Window grey
RAL 5015
#2271B3
Sky blue
RAL 7004
#9EA0A1
Signal grey
FAQ about Steelblue2
What is the HEX code for Steelblue2?
Steelblue2 (steelblue2) has the HEX code #5CACEE. In RGB it is rgb(92, 172, 238), and in CMYK it is cmyk(61%, 28%, 0%, 7%).
What is the OKLCH value of Steelblue2?
Steelblue2 converts to oklch(0.721 0.125 245.6). OKLCH is the perceptually uniform color space used by Tailwind v4 and CSS Color Module Level 4.
Is Steelblue2 accessible for body text?
Used as a background, Steelblue2 has a contrast ratio of 8.59:1 with black text and 2.44:1 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 Steelblue2?
The closest Pantone reference to Steelblue2 by ΔE2000 perceptual distance is Pantone 284 C (#6CACE4). Cross-system Pantone matching is approximate; for color-critical print work, verify with a physical Pantone guide.
What is the closest RAL color to Steelblue2?
The closest RAL Classic reference to Steelblue2 by ΔE2000 distance is RAL 5012 (Light blue, #3B83BD). RAL is a German industrial coating standard commonly used for paint, powder coat, and architectural specification.
What is the complementary color of Steelblue2?
The complementary color (180° opposite on the HSL color wheel) of Steelblue2 is #EE9F5D. 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.