#0B282F#0B282F
#0B282F is a dark, muted cyan. Relative luminance 0.018; OKLCH L 25.9% C 0.036 H 216.4°. Best body text is #FFFFFF at 15.45:1 contrast (WCAG AA passes).
Color values
| HEX | #0B282F |
|---|---|
| RGB | rgb(11, 40, 47) |
| HSL | hsl(192, 62%, 11%) |
| HSV | hsv(192, 77%, 18%) |
| CMYK | cmyk(76.6%, 14.9%, 0%, 81.6%) |
| CIE-LAB | lab(14.37, -8.04, -7.79) |
| CIE-LCH | lch(14.37, 11.19, 224.09°) |
| OKLab | oklab(25.86% -0.0293 -0.0216) |
| OKLCH | oklch(25.86% 0.036 216.4) |
| XYZ | xyz(1.4097, 1.7938, 2.9607) |
| Luminance | 0.0179 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Gunmetal
#2A3439
ΔE00 7.36
Dark Blue Grey
#1F3B4D
ΔE00 8.71
Dark
#1B2431
ΔE00 9.47
Charcoal (survey)
#343837
ΔE00 10.70
Onyx
#353839
ΔE00 10.96
Charcoal
#36454F
ΔE00 11.12
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#0B282F #2F120B
analogous
#0B2F24 #0B282F #0B162F
triadic
#0B282F #2F0B28 #282F0B
tetradic
#0B282F #240B2F #2F120B #162F0B
square
#0B282F #240B2F #2F120B #162F0B
split-complementary
#0B282F #2F0B16 #2F240B
monochromatic
#061519 #061519 #0B282F #175261 #227C92
Accessibility & contrast
On white
15.45
#0B282F on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.36
#0B282F on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #0B282F
15.45:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##0B282F | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##0B282F | 1.00 | 15.45 | 1.36 | 15.45 |
| #FFFFFF | 15.45 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.36 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 15.45 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#23272F
Deuteranopia (green-blind)
#1E232F
Tritanopia (blue-blind)
#002B2A
Achromatopsia (no color)
#242424
Design tokens & code
CSS
--color: #0b282f; /* rgb */ color: rgb(11, 40, 47); /* oklch */ color: oklch(25.9% 0.036 216.4);
Tailwind
colors: {
custom: {
50: '#4f6267',
500: '#0b282f',
950: '#000000',
},
}SCSS
$custom: #0b282f; $custom-light: #4f6267; $custom-dark: #000000;
JSON
{
"hex": "#0b282f",
"rgb": {
"r": 11,
"g": 40,
"b": 47
},
"hsl": {
"h": 191.667,
"s": 62.069,
"l": 11.373
},
"oklch": {
"l": 0.25859,
"c": 0.03647,
"h": 216.4
},
"luminance": 0.01794
}Semantic roles & 50–950 ramp
primary
#0B282F
secondary
#6B372A
accent
#6243E5
background
#F4F5F6
surface
#E7EAEB
border
#C3C6C6
text
#020506
muted
#78797A