#0A303C#0A303C
#0A303C is a dark, muted cyan. Relative luminance 0.025; OKLCH L 28.9% C 0.047 H 223.2°. Best body text is #FFFFFF at 13.99:1 contrast (WCAG AA passes).
Color values
| HEX | #0A303C |
|---|---|
| RGB | rgb(10, 48, 60) |
| HSL | hsl(194, 71%, 14%) |
| HSV | hsv(194, 83%, 24%) |
| CMYK | cmyk(83.3%, 20%, 0%, 76.5%) |
| CIE-LAB | lab(17.94, -8.31, -11.40) |
| CIE-LCH | lch(17.94, 14.11, 233.93°) |
| OKLab | oklab(28.92% -0.0339 -0.0319) |
| OKLCH | oklch(28.92% 0.047 223.2) |
| XYZ | xyz(1.9974, 2.5044, 4.6522) |
| Luminance | 0.0250 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dark Blue Grey
#1F3B4D
ΔE00 5.89
Gunmetal
#2A3439
ΔE00 7.32
Dark Grey Blue
#29465B
ΔE00 9.17
Charcoal
#36454F
ΔE00 9.22
Dark
#1B2431
ΔE00 9.68
Dark Slate Blue
#214761
ΔE00 9.92
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#0A303C #3C160A
analogous
#0A3C2F #0A303C #0A173C
triadic
#0A303C #3C0A30 #303C0A
tetradic
#0A303C #2F0A3C #3C160A #173C0A
square
#0A303C #2F0A3C #3C160A #173C0A
split-complementary
#0A303C #3C0A17 #3C2F0A
monochromatic
#04151A #04151A #0A303C #135A70 #1B84A5
Accessibility & contrast
On white
13.99
#0A303C on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.50
#0A303C on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #0A303C
13.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##0A303C | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##0A303C | 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)
#292F3D
Deuteranopia (green-blind)
#222A3C
Tritanopia (blue-blind)
#003434
Achromatopsia (no color)
#2C2C2C
Design tokens & code
CSS
--color: #0a303c; /* rgb */ color: rgb(10, 48, 60); /* oklch */ color: oklch(28.9% 0.047 223.2);
Tailwind
colors: {
custom: {
50: '#526871',
500: '#0a303c',
950: '#000000',
},
}SCSS
$custom: #0a303c; $custom-light: #526871; $custom-dark: #000000;
JSON
{
"hex": "#0a303c",
"rgb": {
"r": 10,
"g": 48,
"b": 60
},
"hsl": {
"h": 194.4,
"s": 71.429,
"l": 13.725
},
"oklch": {
"l": 0.28916,
"c": 0.04658,
"h": 223.2
},
"luminance": 0.02505
}Semantic roles & 50–950 ramp
primary
#0A303C
secondary
#793C28
accent
#653AEE
background
#F4F6F6
surface
#E7EBEC
border
#C3C6C7
text
#020607
muted
#787A7A