#0A304C#0A304C
#0A304C is a dark, moderate cyan. Relative luminance 0.027; OKLCH L 29.9% C 0.066 H 245.3°. Best body text is #FFFFFF at 13.64:1 contrast (WCAG AA passes).
Color values
| HEX | #0A304C |
|---|---|
| RGB | rgb(10, 48, 76) |
| HSL | hsl(205, 77%, 17%) |
| HSV | hsv(205, 87%, 30%) |
| CMYK | cmyk(86.8%, 36.8%, 0%, 70.2%) |
| CIE-LAB | lab(18.80, -1.58, -20.97) |
| CIE-LCH | lch(18.80, 21.03, 265.70°) |
| OKLab | oklab(29.88% -0.0274 -0.0596) |
| OKLCH | oklch(29.88% 0.066 245.3) |
| XYZ | xyz(2.4861, 2.6999, 7.2262) |
| Luminance | 0.0270 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Marine
#042E60
ΔE00 5.24
Marine Blue
#01386A
ΔE00 5.31
Dark Blue Grey
#1F3B4D
ΔE00 5.74
Navy Blue
#1B2A4A
ΔE00 6.63
Dark Slate Blue
#214761
ΔE00 7.65
Dark
#1B2431
ΔE00 7.77
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#0A304C #4C260A
analogous
#0A4C47 #0A304C #0A0F4C
triadic
#0A304C #4C0A30 #304C0A
tetradic
#0A304C #470A4C #4C260A #0F4C0A
square
#0A304C #470A4C #4C260A #0F4C0A
split-complementary
#0A304C #4C0A0F #4C470A
monochromatic
#04111B #04111B #0A304C #115282 #1874B8
Accessibility & contrast
On white
13.64
#0A304C on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.54
#0A304C on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #0A304C
13.64:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##0A304C | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##0A304C | 1.00 | 13.64 | 1.54 | 13.64 |
| #FFFFFF | 13.64 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.54 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 13.64 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#23314D
Deuteranopia (green-blind)
#1A2B4B
Tritanopia (blue-blind)
#00373A
Achromatopsia (no color)
#2E2E2E
Design tokens & code
CSS
--color: #0a304c; /* rgb */ color: rgb(10, 48, 76); /* oklch */ color: oklch(29.9% 0.066 245.3);
Tailwind
colors: {
custom: {
50: '#55687e',
500: '#0a304c',
950: '#000000',
},
}SCSS
$custom: #0a304c; $custom-light: #55687e; $custom-dark: #000000;
JSON
{
"hex": "#0a304c",
"rgb": {
"r": 10,
"g": 48,
"b": 76
},
"hsl": {
"h": 205.455,
"s": 76.744,
"l": 16.863
},
"oklch": {
"l": 0.29884,
"c": 0.06561,
"h": 245.3
},
"luminance": 0.027
}Semantic roles & 50–950 ramp
primary
#0A304C
secondary
#895229
accent
#8535F3
background
#F5F6F7
surface
#E9EBEE
border
#C5C6C9
text
#03060A
muted
#787A7C