Slate 100
slate-100 · #F1F5F9
HEX
#F1F5F9
RGB
rgb(241, 245, 249)
CMYK
cmyk(3%, 2%, 0%, 2%)
HSL
hsl(210, 40%, 96%)
LAB
lab(96.3, -0.6, -2.4)
What is Slate 100?
Slate 100 is the slate-100 reference in the Tailwind CSS palette. Its sRGB value is #F1F5F9 (rgb 241, 245, 249). It sits in the neutral 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 Slate 100 as a background.
Black text on this color
White text on this color
Shades, tints & tonal scale of Slate 100
An 11-step tonal scale derived from Slate 100 (#F1F5F9). 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
#FEFEFF
#FEFEFF
100
#FDFDFE
#FDFDFE
200
#FBFCFD
#FBFCFD
300
#F8FAFC
#F8FAFC
400
#F5F8FB
#F5F8FB
500
#F1F5F9
#F1F5F9
600
#CDD0D4
#CDD0D4
700
#9D9FA2
#9D9FA2
800
#6C6E70
#6C6E70
900
#3C3D3E
#3C3D3E
950
#1D1D1E
#1D1D1E
Lighter tints (mixed with white)
15%
#F3F7FA
30%
#F5F8FB
45%
#F7FAFC
60%
#FAFBFD
75%
#FCFDFE
Darker shades (mixed with black)
15%
#E0E4E8
30%
#CED1D5
45%
#B9BCBF
60%
#A0A3A6
75%
#818386
Color harmonies for Slate 100
Classic color-theory harmonies derived from rotating the hue of Slate 100. Use these to build accent palettes, brand systems, and accessible UI color pairings.
Complementary
180° opposite — strongest contrast
#F1F5F9
#F1F5F9
#F9F5F1
#F9F5F1
Triadic
Three colors 120° apart
#F1F5F9
#F1F5F9
#F9F1F5
#F9F1F5
#F5F9F1
#F5F9F1
Analogous
Two neighbors ±30° on the wheel
#F1F9F9
#F1F9F9
#F1F5F9
#F1F5F9
#F1F1F9
#F1F1F9
Split-complementary
Base + two colors flanking its complement
#F1F5F9
#F1F5F9
#F9F1F1
#F9F1F1
#F9F9F1
#F9F9F1
Tetradic
Two complementary pairs
#F1F5F9
#F1F5F9
#F5F1F9
#F5F1F9
#F9F5F1
#F9F5F1
#F5F9F1
#F5F9F1
Square
Four colors evenly spaced 90° apart
#F1F5F9
#F1F5F9
#F9F1F9
#F9F1F9
#F9F5F1
#F9F5F1
#F1F9F1
#F1F9F1
Slate 100 in every color space
Full conversion of Slate 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
#F1F5F9
RGB
rgb(241, 245, 249)
CMYK
cmyk(3%, 2%, 0%, 2%)
HSL
hsl(210, 40%, 96%)
HSV
hsv(210, 3%, 98%)
HWB
hwb(210 95% 2%)
CIE Lab
lab(96.3 -0.6 -2.4)
OKLCH
oklch(96.8% 0.007 247.9)
XYZ (D65)
xyz(86.02, 90.84, 102.61)
Copy-ready code for Slate 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: #F1F5F9;
background-color: #F1F5F9;CSS variable
:root {
--color-slate-100: #F1F5F9;
}Tailwind config
// tailwind.config.js
colors: {
'slate-100': '#F1F5F9',
}Sass
$color-slate-100: #F1F5F9;Swift UIColor
UIColor(red: 0.945, green: 0.961, blue: 0.976, alpha: 1.0)Android XML
<color name="slate-100">#F1F5F9</color>Closest match in every color system
The nearest Slate 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 9010
#FFFFFF
Pure white
RAL 7035
#D7D7D7
Light grey
RAL 9018
#D7D7D7
Papyrus white
RAL 9001
#FDF4E3
Cream
FAQ about Slate 100
What is the HEX code for Slate 100?
Slate 100 (slate-100) has the HEX code #F1F5F9. In RGB it is rgb(241, 245, 249), and in CMYK it is cmyk(3%, 2%, 0%, 2%).
What is the OKLCH value of Slate 100?
Slate 100 converts to oklch(0.968 0.007 247.9). OKLCH is the perceptually uniform color space used by Tailwind v4 and CSS Color Module Level 4.
Is Slate 100 accessible for body text?
Used as a background, Slate 100 has a contrast ratio of 19.17:1 with black text and 1.10:1 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 Slate 100?
The closest Pantone reference to Slate 100 by ΔE2000 perceptual distance is Pantone Cool Gray 1 C (#D9D9D6). Cross-system Pantone matching is approximate; for color-critical print work, verify with a physical Pantone guide.
What is the closest RAL color to Slate 100?
The closest RAL Classic reference to Slate 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 Slate 100?
The complementary color (180° opposite on the HSL color wheel) of Slate 100 is #F9F5F1. 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.