#0A313C#0A313C
#0A313C is a dark, muted cyan. Relative luminance 0.026; OKLCH L 29.2% C 0.046 H 220.7°. Best body text is #FFFFFF at 13.84:1 contrast (WCAG AA passes).
Color values
| HEX | #0A313C |
|---|---|
| RGB | rgb(10, 49, 60) |
| HSL | hsl(193, 71%, 14%) |
| HSV | hsv(193, 83%, 24%) |
| CMYK | cmyk(83.3%, 18.3%, 0%, 76.5%) |
| CIE-LAB | lab(18.31, -8.96, -10.84) |
| CIE-LCH | lch(18.31, 14.06, 230.43°) |
| OKLab | oklab(29.21% -0.0351 -0.0303) |
| OKLCH | oklch(29.21% 0.046 220.7) |
| XYZ | xyz(2.0388, 2.5872, 4.6660) |
| Luminance | 0.0259 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dark Blue Grey
#1F3B4D
ΔE00 6.34
Gunmetal
#2A3439
ΔE00 7.50
Charcoal
#36454F
ΔE00 9.32
Dark Grey Blue
#29465B
ΔE00 9.43
Dark Slate Blue
#214761
ΔE00 10.22
Dark
#1B2431
ΔE00 10.32
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#0A313C #3C150A
analogous
#0A3C2E #0A313C #0A183C
triadic
#0A313C #3C0A31 #313C0A
tetradic
#0A313C #2E0A3C #3C150A #183C0A
square
#0A313C #2E0A3C #3C150A #183C0A
split-complementary
#0A313C #3C0A18 #3C2E0A
monochromatic
#04151A #04151A #0A313C #135C70 #1B87A5
Accessibility & contrast
On white
13.84
#0A313C on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.52
#0A313C on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #0A313C
13.84:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##0A313C | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##0A313C | 1.00 | 13.84 | 1.52 | 13.84 |
| #FFFFFF | 13.84 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.52 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 13.84 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#2A2F3D
Deuteranopia (green-blind)
#242A3C
Tritanopia (blue-blind)
#003535
Achromatopsia (no color)
#2D2D2D
Design tokens & code
CSS
--color: #0a313c; /* rgb */ color: rgb(10, 49, 60); /* oklch */ color: oklch(29.2% 0.046 220.7);
Tailwind
colors: {
custom: {
50: '#526971',
500: '#0a313c',
950: '#000000',
},
}SCSS
$custom: #0a313c; $custom-light: #526971; $custom-dark: #000000;
JSON
{
"hex": "#0a313c",
"rgb": {
"r": 10,
"g": 49,
"b": 60
},
"hsl": {
"h": 193.2,
"s": 71.429,
"l": 13.725
},
"oklch": {
"l": 0.29213,
"c": 0.04639,
"h": 220.7
},
"luminance": 0.02587
}Semantic roles & 50–950 ramp
primary
#0A313C
secondary
#793A28
accent
#613AEE
background
#F4F6F6
surface
#E7EBEC
border
#C3C6C7
text
#020607
muted
#787A7A