#0A2237#0A2237
#0A2237 is a very dark, muted cyan. Relative luminance 0.015; OKLCH L 24.5% C 0.050 H 247.9°. Best body text is #FFFFFF at 16.19:1 contrast (WCAG AA passes).
Color values
| HEX | #0A2237 |
|---|---|
| RGB | rgb(10, 34, 55) |
| HSL | hsl(208, 69%, 13%) |
| HSV | hsv(208, 82%, 22%) |
| CMYK | cmyk(81.8%, 38.2%, 0%, 78.4%) |
| CIE-LAB | lab(12.51, -0.71, -16.36) |
| CIE-LCH | lch(12.51, 16.38, 267.52°) |
| OKLab | oklab(24.51% -0.0188 -0.0464) |
| OKLCH | oklch(24.51% 0.05 247.9) |
| XYZ | xyz(1.3865, 1.4843, 3.8271) |
| Luminance | 0.0148 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dark
#1B2431
ΔE00 4.42
Navy Blue
#1B2A4A
ΔE00 6.57
Marine
#042E60
ΔE00 8.04
Navy (survey)
#01153E
ΔE00 8.65
Dark Blue Grey
#1F3B4D
ΔE00 8.67
Navy Blue (survey)
#001146
ΔE00 9.67
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#0A2237 #371F0A
analogous
#0A3735 #0A2237 #0A0B37
triadic
#0A2237 #370A22 #22370A
tetradic
#0A2237 #350A37 #371F0A #0B370A
square
#0A2237 #350A37 #371F0A #0B370A
split-complementary
#0A2237 #370A0B #37350A
monochromatic
#05101A #05101A #0A2237 #13426B #1D629F
Accessibility & contrast
On white
16.19
#0A2237 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.30
#0A2237 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #0A2237
16.19:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##0A2237 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##0A2237 | 1.00 | 16.19 | 1.30 | 16.19 |
| #FFFFFF | 16.19 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.30 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 16.19 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#192338
Deuteranopia (green-blind)
#121F37
Tritanopia (blue-blind)
#00272A
Achromatopsia (no color)
#212121
Design tokens & code
CSS
--color: #0a2237; /* rgb */ color: rgb(10, 34, 55); /* oklch */ color: oklch(24.5% 0.050 247.9);
Tailwind
colors: {
custom: {
50: '#505c6e',
500: '#0a2237',
950: '#000000',
},
}SCSS
$custom: #0a2237; $custom-light: #505c6e; $custom-dark: #000000;
JSON
{
"hex": "#0a2237",
"rgb": {
"r": 10,
"g": 34,
"b": 55
},
"hsl": {
"h": 208,
"s": 69.231,
"l": 12.745
},
"oklch": {
"l": 0.2451,
"c": 0.05004,
"h": 247.9
},
"luminance": 0.01484
}Semantic roles & 50–950 ramp
primary
#0A2237
secondary
#744C28
accent
#8E3CEC
background
#F4F5F6
surface
#E7E9EB
border
#C3C5C6
text
#020407
muted
#78797A