Sky 900
sky-900 · #0C4A6E
HEX
#0C4A6E
RGB
rgb(12, 74, 110)
CMYK
cmyk(89%, 33%, 0%, 57%)
HSL
hsl(202, 80%, 24%)
LAB
lab(29.7, -4.5, -26.0)
What is Sky 900?
Sky 900 is the sky-900 reference in the Tailwind CSS palette. Its sRGB value is #0C4A6E (rgb 12, 74, 110). 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 Sky 900 as a background.
Black text on this color
White text on this color
Shades, tints & tonal scale of Sky 900
An 11-step tonal scale derived from Sky 900 (#0C4A6E). 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
#ECF1F3
#ECF1F3
100
#D8E2E8
#D8E2E8
200
#B1C5D1
#B1C5D1
300
#86A5B7
#86A5B7
400
#497792
#497792
500
#0C4A6E
#0C4A6E
600
#0A3F5E
#0A3F5E
700
#083048
#083048
800
#052132
#052132
900
#03131C
#03131C
950
#01090D
#01090D
Lighter tints (mixed with white)
15%
#6D7E91
30%
#959FAB
45%
#B3B9C1
60%
#CCD0D5
75%
#E1E3E6
Darker shades (mixed with black)
15%
#0A4466
30%
#083E5D
45%
#073753
60%
#052E47
75%
#032338
Color harmonies for Sky 900
Classic color-theory harmonies derived from rotating the hue of Sky 900. Use these to build accent palettes, brand systems, and accessible UI color pairings.
Complementary
180° opposite — strongest contrast
#0C4A6E
#0C4A6E
#6E300C
#6E300C
Triadic
Three colors 120° apart
#0C4A6E
#0C4A6E
#6E0C4A
#6E0C4A
#4A6E0C
#4A6E0C
Analogous
Two neighbors ±30° on the wheel
#0C6E61
#0C6E61
#0C4A6E
#0C4A6E
#0C196E
#0C196E
Split-complementary
Base + two colors flanking its complement
#0C4A6E
#0C4A6E
#6E0C19
#6E0C19
#6E610C
#6E610C
Tetradic
Two complementary pairs
#0C4A6E
#0C4A6E
#300C6E
#300C6E
#6E300C
#6E300C
#4A6E0C
#4A6E0C
Square
Four colors evenly spaced 90° apart
#0C4A6E
#0C4A6E
#610C6E
#610C6E
#6E300C
#6E300C
#196E0C
#196E0C
Sky 900 in every color space
Full conversion of Sky 900 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
#0C4A6E
RGB
rgb(12, 74, 110)
CMYK
cmyk(89%, 33%, 0%, 57%)
HSL
hsl(202, 80%, 24%)
HSV
hsv(202, 89%, 43%)
HWB
hwb(202 5% 57%)
CIE Lab
lab(29.7 -4.5 -26.0)
OKLCH
oklch(39.1% 0.085 240.9)
XYZ (D65)
xyz(5.41, 6.10, 15.64)
Copy-ready code for Sky 900
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: #0C4A6E;
background-color: #0C4A6E;CSS variable
:root {
--color-sky-900: #0C4A6E;
}Tailwind config
// tailwind.config.js
colors: {
'sky-900': '#0C4A6E',
}Sass
$color-sky-900: #0C4A6E;Swift UIColor
UIColor(red: 0.047, green: 0.290, blue: 0.431, alpha: 1.0)Android XML
<color name="sky-900">#0C4A6E</color>Closest match in every color system
The nearest Sky 900 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 5019
#1B5583
Capri blue
RAL 5000
#354D73
Violet blue
RAL 5017
#063971
Traffic blue
RAL 5020
#1D334A
Ocean blue
RAL 5007
#3E5F8A
Brilliant blue
RAL 5009
#025669
Azure blue
FAQ about Sky 900
What is the HEX code for Sky 900?
Sky 900 (sky-900) has the HEX code #0C4A6E. In RGB it is rgb(12, 74, 110), and in CMYK it is cmyk(89%, 33%, 0%, 57%).
What is the OKLCH value of Sky 900?
Sky 900 converts to oklch(0.391 0.085 240.9). OKLCH is the perceptually uniform color space used by Tailwind v4 and CSS Color Module Level 4.
Is Sky 900 accessible for body text?
Used as a background, Sky 900 has a contrast ratio of 2.22:1 with black text and 9.46:1 with white text. WCAG 2.1 AA requires 4.5:1 for normal text. The current recommendation is to use white text and verify in real UI context.
What is the closest Pantone to Sky 900?
The closest Pantone reference to Sky 900 by ΔE2000 perceptual distance is Pantone 7686 C (#1F4E79). Cross-system Pantone matching is approximate; for color-critical print work, verify with a physical Pantone guide.
What is the closest RAL color to Sky 900?
The closest RAL Classic reference to Sky 900 by ΔE2000 distance is RAL 5019 (Capri blue, #1B5583). RAL is a German industrial coating standard commonly used for paint, powder coat, and architectural specification.
What is the complementary color of Sky 900?
The complementary color (180° opposite on the HSL color wheel) of Sky 900 is #6E300C. 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.