#0B1E2F#0B1E2F
#0B1E2F is a very dark, muted cyan. Relative luminance 0.012; OKLCH L 22.9% C 0.042 H 247.7°. Best body text is #FFFFFF at 16.92:1 contrast (WCAG AA passes).
Color values
| HEX | #0B1E2F |
|---|---|
| RGB | rgb(11, 30, 47) |
| HSL | hsl(208, 62%, 11%) |
| HSV | hsv(208, 77%, 18%) |
| CMYK | cmyk(76.6%, 36.2%, 0%, 81.6%) |
| CIE-LAB | lab(10.59, -1.01, -13.62) |
| CIE-LCH | lch(10.59, 13.66, 265.77°) |
| OKLab | oklab(22.86% -0.0158 -0.0384) |
| OKLCH | oklch(22.86% 0.042 247.7) |
| XYZ | xyz(1.1152, 1.2048, 2.8626) |
| Luminance | 0.0120 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dark
#1B2431
ΔE00 3.63
Navy Blue
#1B2A4A
ΔE00 8.14
Navy (survey)
#01153E
ΔE00 9.49
Dark Blue Grey
#1F3B4D
ΔE00 9.53
Gunmetal
#2A3439
ΔE00 9.82
Marine
#042E60
ΔE00 10.07
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#0B1E2F #2F1C0B
analogous
#0B2F2E #0B1E2F #0B0C2F
triadic
#0B1E2F #2F0B1E #1E2F0B
tetradic
#0B1E2F #2E0B2F #2F1C0B #0C2F0B
square
#0B1E2F #2E0B2F #2F1C0B #0C2F0B
split-complementary
#0B1E2F #2F0B0C #2F2E0B
monochromatic
#061019 #061019 #0B1E2F #173E61 #225D92
Accessibility & contrast
On white
16.92
#0B1E2F on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.24
#0B1E2F on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #0B1E2F
16.92:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##0B1E2F | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##0B1E2F | 1.00 | 16.92 | 1.24 | 16.92 |
| #FFFFFF | 16.92 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.24 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 16.92 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#171F30
Deuteranopia (green-blind)
#121B2F
Tritanopia (blue-blind)
#002224
Achromatopsia (no color)
#1D1D1D
Design tokens & code
CSS
--color: #0b1e2f; /* rgb */ color: rgb(11, 30, 47); /* oklch */ color: oklch(22.9% 0.042 247.7);
Tailwind
colors: {
custom: {
50: '#4e5967',
500: '#0b1e2f',
950: '#000000',
},
}SCSS
$custom: #0b1e2f; $custom-light: #4e5967; $custom-dark: #000000;
JSON
{
"hex": "#0b1e2f",
"rgb": {
"r": 11,
"g": 30,
"b": 47
},
"hsl": {
"h": 208.333,
"s": 62.069,
"l": 11.373
},
"oklch": {
"l": 0.22858,
"c": 0.04153,
"h": 247.7
},
"luminance": 0.01205
}Semantic roles & 50–950 ramp
primary
#0B1E2F
secondary
#6B492A
accent
#8F43E5
background
#F4F5F6
surface
#E7E9EB
border
#C3C5C6
text
#020306
muted
#78787A