#0B232F#0B232F
#0B232F is a very dark, muted cyan. Relative luminance 0.015; OKLCH L 24.3% C 0.037 H 233.0°. Best body text is #FFFFFF at 16.21:1 contrast (WCAG AA passes).
Color values
| HEX | #0B232F |
|---|---|
| RGB | rgb(11, 35, 47) |
| HSL | hsl(200, 62%, 11%) |
| HSV | hsv(200, 77%, 18%) |
| CMYK | cmyk(76.6%, 25.5%, 0%, 81.6%) |
| CIE-LAB | lab(12.47, -4.63, -10.70) |
| CIE-LCH | lch(12.47, 11.66, 246.59°) |
| OKLab | oklab(24.34% -0.0226 -0.0299) |
| OKLCH | oklch(24.34% 0.038 233) |
| XYZ | xyz(1.2519, 1.4783, 2.9081) |
| Luminance | 0.0148 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dark
#1B2431
ΔE00 5.83
Gunmetal
#2A3439
ΔE00 7.42
Dark Blue Grey
#1F3B4D
ΔE00 7.83
Almost Black
#070D0D
ΔE00 10.17
Onyx
#353839
ΔE00 11.09
Midnight Blue
#191970
ΔE00 11.16
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#0B232F #2F170B
analogous
#0B2F29 #0B232F #0B112F
triadic
#0B232F #2F0B23 #232F0B
tetradic
#0B232F #290B2F #2F170B #112F0B
square
#0B232F #290B2F #2F170B #112F0B
split-complementary
#0B232F #2F0B11 #2F290B
monochromatic
#061219 #061219 #0B232F #174861 #226D92
Accessibility & contrast
On white
16.21
#0B232F on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.30
#0B232F on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #0B232F
16.21:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##0B232F | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##0B232F | 1.00 | 16.21 | 1.30 | 16.21 |
| #FFFFFF | 16.21 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.30 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 16.21 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#1D2330
Deuteranopia (green-blind)
#181F2F
Tritanopia (blue-blind)
#002627
Achromatopsia (no color)
#202020
Design tokens & code
CSS
--color: #0b232f; /* rgb */ color: rgb(11, 35, 47); /* oklch */ color: oklch(24.3% 0.037 233.0);
Tailwind
colors: {
custom: {
50: '#4f5d67',
500: '#0b232f',
950: '#000000',
},
}SCSS
$custom: #0b232f; $custom-light: #4f5d67; $custom-dark: #000000;
JSON
{
"hex": "#0b232f",
"rgb": {
"r": 11,
"g": 35,
"b": 47
},
"hsl": {
"h": 200,
"s": 62.069,
"l": 11.373
},
"oklch": {
"l": 0.24343,
"c": 0.0375,
"h": 233
},
"luminance": 0.01478
}Semantic roles & 50–950 ramp
primary
#0B232F
secondary
#6B402A
accent
#7943E5
background
#F4F5F6
surface
#E7E9EB
border
#C3C5C6
text
#020406
muted
#78797A