#0A232E#0A232E
#0A232E is a very dark, muted cyan. Relative luminance 0.015; OKLCH L 24.2% C 0.037 H 229.9°. Best body text is #FFFFFF at 16.24:1 contrast (WCAG AA passes).
Color values
| HEX | #0A232E |
|---|---|
| RGB | rgb(10, 35, 46) |
| HSL | hsl(198, 64%, 11%) |
| HSV | hsv(198, 78%, 18%) |
| CMYK | cmyk(78.3%, 23.9%, 0%, 82%) |
| CIE-LAB | lab(12.38, -5.26, -10.13) |
| CIE-LCH | lch(12.38, 11.41, 242.54°) |
| OKLab | oklab(24.24% -0.0238 -0.0283) |
| OKLCH | oklch(24.24% 0.037 229.9) |
| XYZ | xyz(1.2192, 1.4637, 2.8025) |
| Luminance | 0.0146 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dark
#1B2431
ΔE00 6.51
Gunmetal
#2A3439
ΔE00 7.42
Dark Blue Grey
#1F3B4D
ΔE00 8.08
Almost Black
#070D0D
ΔE00 10.04
Onyx
#353839
ΔE00 11.12
Charcoal (survey)
#343837
ΔE00 11.38
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#0A232E #2E150A
analogous
#0A2E27 #0A232E #0A112E
triadic
#0A232E #2E0A23 #232E0A
tetradic
#0A232E #270A2E #2E150A #112E0A
square
#0A232E #270A2E #2E150A #112E0A
split-complementary
#0A232E #2E0A11 #2E270A
monochromatic
#051319 #051319 #0A232E #154960 #206F93
Accessibility & contrast
On white
16.24
#0A232E on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.29
#0A232E on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #0A232E
16.24:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##0A232E | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##0A232E | 1.00 | 16.24 | 1.29 | 16.24 |
| #FFFFFF | 16.24 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.29 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 16.24 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#1D222F
Deuteranopia (green-blind)
#181F2E
Tritanopia (blue-blind)
#002627
Achromatopsia (no color)
#202020
Design tokens & code
CSS
--color: #0a232e; /* rgb */ color: rgb(10, 35, 46); /* oklch */ color: oklch(24.2% 0.037 229.9);
Tailwind
colors: {
custom: {
50: '#4e5d66',
500: '#0a232e',
950: '#000000',
},
}SCSS
$custom: #0a232e; $custom-light: #4e5d66; $custom-dark: #000000;
JSON
{
"hex": "#0a232e",
"rgb": {
"r": 10,
"g": 35,
"b": 46
},
"hsl": {
"h": 198.333,
"s": 64.286,
"l": 10.98
},
"oklch": {
"l": 0.24239,
"c": 0.03703,
"h": 229.9
},
"luminance": 0.01464
}Semantic roles & 50–950 ramp
primary
#0A232E
secondary
#6B3D29
accent
#7341E7
background
#F4F5F6
surface
#E7E9EB
border
#C3C5C6
text
#020406
muted
#78797A