Blue 100
blue-100 · #DBEAFE
HEX
#DBEAFE
RGB
rgb(219, 234, 254)
CMYK
cmyk(14%, 8%, 0%, 0%)
HSL
hsl(214, 95%, 93%)
LAB
lab(92.2, -1.1, -11.3)
What is Blue 100?
Blue 100 is the blue-100 reference in the Tailwind CSS palette. Its sRGB value is #DBEAFE (rgb 219, 234, 254). It sits in the blue family. The default color palette shipped with Tailwind CSS v3 by Tailwind Labs. 22 color families across 11 lightness steps (50 to 950). See disclaimer for accuracy and trademark notes.
Accessibility
WCAG 2.1 contrast checks for Blue 100 as a background.
Black text on this color
White text on this color
Shades, tints & tonal scale of Blue 100
An 11-step tonal scale derived from Blue 100 (#DBEAFE). 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
#FCFDFF
#FCFDFF
100
#F9FCFF
#F9FCFF
200
#F3F8FF
#F3F8FF
300
#EDF5FF
#EDF5FF
400
#E4EFFE
#E4EFFE
500
#DBEAFE
#DBEAFE
600
#BAC7D8
#BAC7D8
700
#8E98A5
#8E98A5
800
#636972
#636972
900
#373B40
#373B40
950
#1A1C1E
#1A1C1E
Lighter tints (mixed with white)
15%
#E1EDFE
30%
#E7F1FE
45%
#ECF4FE
60%
#F1F7FF
75%
#F7FAFF
Darker shades (mixed with black)
15%
#CCDAEC
30%
#BBC8D9
45%
#A8B3C3
60%
#919BA9
75%
#757D88
Color harmonies for Blue 100
Classic color-theory harmonies derived from rotating the hue of Blue 100. Use these to build accent palettes, brand systems, and accessible UI color pairings.
Complementary
180° opposite — strongest contrast
#DBEAFE
#DBEAFE
#FEEFDC
#FEEFDC
Triadic
Three colors 120° apart
#DBEAFE
#DBEAFE
#FEDCEB
#FEDCEB
#EBFEDC
#EBFEDC
Analogous
Two neighbors ±30° on the wheel
#DCFCFE
#DCFCFE
#DBEAFE
#DBEAFE
#DEDCFE
#DEDCFE
Split-complementary
Base + two colors flanking its complement
#DBEAFE
#DBEAFE
#FEDEDC
#FEDEDC
#FCFEDC
#FCFEDC
Tetradic
Two complementary pairs
#DBEAFE
#DBEAFE
#EFDCFE
#EFDCFE
#FEEFDC
#FEEFDC
#EBFEDC
#EBFEDC
Square
Four colors evenly spaced 90° apart
#DBEAFE
#DBEAFE
#FEDCFC
#FEDCFC
#FEEFDC
#FEEFDC
#DCFEDE
#DCFEDE
Blue 100 in every color space
Full conversion of Blue 100 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
#DBEAFE
RGB
rgb(219, 234, 254)
CMYK
cmyk(14%, 8%, 0%, 0%)
HSL
hsl(214, 95%, 93%)
HSV
hsv(214, 14%, 100%)
HWB
hwb(214 86% 0%)
CIE Lab
lab(92.2 -1.1 -11.3)
OKLCH
oklch(93.2% 0.032 255.6)
XYZ (D65)
xyz(76.52, 81.06, 105.36)
Copy-ready code for Blue 100
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: #DBEAFE;
background-color: #DBEAFE;CSS variable
:root {
--color-blue-100: #DBEAFE;
}Tailwind config
// tailwind.config.js
colors: {
'blue-100': '#DBEAFE',
}Sass
$color-blue-100: #DBEAFE;Swift UIColor
UIColor(red: 0.859, green: 0.918, blue: 0.996, alpha: 1.0)Android XML
<color name="blue-100">#DBEAFE</color>Closest match in every color system
The nearest Blue 100 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 Tailwind CSS palette
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 9003
#F4F4F4
Signal white
RAL 9016
#F6F6F6
Traffic white
RAL 7035
#D7D7D7
Light grey
RAL 9018
#D7D7D7
Papyrus white
RAL 9010
#FFFFFF
Pure white
RAL 9002
#E7EBDA
Grey white
FAQ about Blue 100
What is the HEX code for Blue 100?
Blue 100 (blue-100) has the HEX code #DBEAFE. In RGB it is rgb(219, 234, 254), and in CMYK it is cmyk(14%, 8%, 0%, 0%).
What is the OKLCH value of Blue 100?
Blue 100 converts to oklch(0.932 0.032 255.6). OKLCH is the perceptually uniform color space used by Tailwind v4 and CSS Color Module Level 4.
Is Blue 100 accessible for body text?
Used as a background, Blue 100 has a contrast ratio of 17.21:1 with black text and 1.22:1 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 Blue 100?
The closest Pantone reference to Blue 100 by ΔE2000 perceptual distance is Pantone 290 C (#B9D9EB). Cross-system Pantone matching is approximate; for color-critical print work, verify with a physical Pantone guide.
What is the closest RAL color to Blue 100?
The closest RAL Classic reference to Blue 100 by ΔE2000 distance is RAL 9003 (Signal white, #F4F4F4). RAL is a German industrial coating standard commonly used for paint, powder coat, and architectural specification.
What is the complementary color of Blue 100?
The complementary color (180° opposite on the HSL color wheel) of Blue 100 is #FEEFDC. Use it for high-contrast accents, error states, or call-to-action pairings.
Data provenance & source
Tailwind CSS default palette (v3)
The default color palette shipped with Tailwind CSS v3 by Tailwind Labs Inc. Use as a reference for design tokens, web color systems, and Tailwind-based design conversations. Names like 'blue-500' are the project's own naming convention.
- Source type
- derived
- Confidence
- high
- License
- MIT
- Last reviewed
- 2026-05-24
Workflow tags
Tailwind palette values are designed for digital interfaces under sRGB. For print, convert to a process-appropriate value and proof against the substrate; do not rely on sRGB CMYK conversion for color-critical print work.