#0C303B#0C303B
#0C303B is a dark, muted cyan. Relative luminance 0.025; OKLCH L 28.9% C 0.045 H 222.0°. Best body text is #FFFFFF at 13.99:1 contrast (WCAG AA passes).
Color values
| HEX | #0C303B |
|---|---|
| RGB | rgb(12, 48, 59) |
| HSL | hsl(194, 66%, 14%) |
| HSV | hsv(194, 80%, 23%) |
| CMYK | cmyk(79.7%, 18.6%, 0%, 76.9%) |
| CIE-LAB | lab(17.95, -8.36, -10.69) |
| CIE-LCH | lch(17.95, 13.57, 231.96°) |
| OKLab | oklab(28.93% -0.0332 -0.0298) |
| OKLCH | oklch(28.93% 0.045 222) |
| XYZ | xyz(1.9977, 2.5076, 4.5156) |
| Luminance | 0.0251 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dark Blue Grey
#1F3B4D
ΔE00 6.14
Gunmetal
#2A3439
ΔE00 7.12
Charcoal
#36454F
ΔE00 9.20
Dark Grey Blue
#29465B
ΔE00 9.38
Dark
#1B2431
ΔE00 9.76
Dark Slate Blue
#214761
ΔE00 10.21
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#0C303B #3B170C
analogous
#0C3B2F #0C303B #0C193B
triadic
#0C303B #3B0C30 #303B0C
tetradic
#0C303B #2F0C3B #3B170C #193B0C
square
#0C303B #2F0C3B #3B170C #193B0C
split-complementary
#0C303B #3B0C19 #3B2F0C
monochromatic
#051519 #051519 #0C303B #16596E #2183A1
Accessibility & contrast
On white
13.99
#0C303B on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.50
#0C303B on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #0C303B
13.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##0C303B | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##0C303B | 1.00 | 13.99 | 1.50 | 13.99 |
| #FFFFFF | 13.99 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.50 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 13.99 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#2A2F3C
Deuteranopia (green-blind)
#232A3B
Tritanopia (blue-blind)
#003334
Achromatopsia (no color)
#2C2C2C
Design tokens & code
CSS
--color: #0c303b; /* rgb */ color: rgb(12, 48, 59); /* oklch */ color: oklch(28.9% 0.045 222.0);
Tailwind
colors: {
custom: {
50: '#526871',
500: '#0c303b',
950: '#000000',
},
}SCSS
$custom: #0c303b; $custom-light: #526871; $custom-dark: #000000;
JSON
{
"hex": "#0c303b",
"rgb": {
"r": 12,
"g": 48,
"b": 59
},
"hsl": {
"h": 194.043,
"s": 66.197,
"l": 13.922
},
"oklch": {
"l": 0.2893,
"c": 0.04464,
"h": 222
},
"luminance": 0.02508
}Semantic roles & 50–950 ramp
primary
#0C303B
secondary
#773D2C
accent
#673FE9
background
#F4F6F6
surface
#E7EBEC
border
#C3C6C7
text
#030607
muted
#787A7A