#0C4551#0C4551
#0C4551 is a dark, muted cyan. Relative luminance 0.049; OKLCH L 36.1% C 0.059 H 215.7°. Best body text is #FFFFFF at 10.58:1 contrast (WCAG AA passes).
Color values
| HEX | #0C4551 |
|---|---|
| RGB | rgb(12, 69, 81) |
| HSL | hsl(190, 74%, 18%) |
| HSV | hsv(190, 85%, 32%) |
| CMYK | cmyk(85.2%, 14.8%, 0%, 68.2%) |
| CIE-LAB | lab(26.53, -12.88, -12.27) |
| CIE-LCH | lch(26.53, 17.79, 223.61°) |
| OKLab | oklab(36.15% -0.0476 -0.0343) |
| OKLCH | oklch(36.15% 0.059 215.7) |
| XYZ | xyz(3.7643, 4.9280, 8.5358) |
| Luminance | 0.0493 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Darkslategray
#2F4F4F
ΔE00 7.03
Dark Teal
#014D4E
ΔE00 7.26
Deep Teal
#00555A
ΔE00 7.29
Dark Blue Grey
#1F3B4D
ΔE00 8.11
Dark Grey Blue
#29465B
ΔE00 8.56
Petrol
#005F6A
ΔE00 8.95
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#0C4551 #51180C
analogous
#0C513A #0C4551 #0C2251
triadic
#0C4551 #510C45 #45510C
tetradic
#0C4551 #3A0C51 #51180C #22510C
square
#0C4551 #3A0C51 #51180C #22510C
split-complementary
#0C4551 #510C22 #513A0C
monochromatic
#04171B #04181C #0C4551 #147286 #1CA0BC
Accessibility & contrast
On white
10.58
#0C4551 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.99
#0C4551 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #0C4551
10.58:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##0C4551 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##0C4551 | 1.00 | 10.58 | 1.99 | 10.58 |
| #FFFFFF | 10.58 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.99 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 10.58 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#3D4352
Deuteranopia (green-blind)
#343C51
Tritanopia (blue-blind)
#004949
Achromatopsia (no color)
#3F3F3F
Design tokens & code
CSS
--color: #0c4551; /* rgb */ color: rgb(12, 69, 81); /* oklch */ color: oklch(36.1% 0.059 215.7);
Tailwind
colors: {
custom: {
50: '#597881',
500: '#0c4551',
950: '#000000',
},
}SCSS
$custom: #0c4551; $custom-light: #597881; $custom-dark: #000000;
JSON
{
"hex": "#0c4551",
"rgb": {
"r": 12,
"g": 69,
"b": 81
},
"hsl": {
"h": 190.435,
"s": 74.194,
"l": 18.235
},
"oklch": {
"l": 0.36149,
"c": 0.05869,
"h": 215.7
},
"luminance": 0.04928
}Semantic roles & 50–950 ramp
primary
#0C4551
secondary
#8C3D2C
accent
#5737F1
background
#F5F7F7
surface
#E9EDEE
border
#C5C8C9
text
#04090A
muted
#797B7C