#0A0F45#0A0F45
#0A0F45 is a very dark, moderate blue. Relative luminance 0.008; OKLCH L 21.1% C 0.099 H 270.5°. Best body text is #FFFFFF at 17.99:1 contrast (WCAG AA passes).
Color values
| HEX | #0A0F45 |
|---|---|
| RGB | rgb(10, 15, 69) |
| HSL | hsl(235, 75%, 15%) |
| HSV | hsv(235, 86%, 27%) |
| CMYK | cmyk(85.5%, 78.3%, 0%, 72.9%) |
| CIE-LAB | lab(7.55, 20.17, -34.30) |
| CIE-LCH | lch(7.55, 39.79, 300.47°) |
| OKLab | oklab(21.12% 0.0009 -0.0993) |
| OKLCH | oklch(21.12% 0.099 270.5) |
| XYZ | xyz(1.3698, 0.8357, 5.7182) |
| Luminance | 0.0084 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Navy Blue (survey)
#001146
ΔE00 1.72
Midnight Blue (survey)
#020035
ΔE00 3.45
Night Blue
#040348
ΔE00 3.46
Dark Navy
#000435
ΔE00 3.70
Very Dark Blue
#000133
ΔE00 4.02
Navy (survey)
#01153E
ΔE00 4.38
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#0A0F45 #45400A
analogous
#0A2C45 #0A0F45 #220A45
triadic
#0A0F45 #450A0F #0F450A
tetradic
#0A0F45 #450A2C #45400A #0A4522
square
#0A0F45 #450A2C #45400A #0A4522
split-complementary
#0A0F45 #45220A #2C450A
monochromatic
#04061B #04061B #0A0F45 #121B7A #1926B0
Accessibility & contrast
On white
17.99
#0A0F45 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.17
#0A0F45 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #0A0F45
17.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##0A0F45 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##0A0F45 | 1.00 | 17.99 | 1.17 | 17.99 |
| #FFFFFF | 17.99 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.17 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 17.99 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#001947
Deuteranopia (green-blind)
#001444
Tritanopia (blue-blind)
#001E28
Achromatopsia (no color)
#171717
Design tokens & code
CSS
--color: #0a0f45; /* rgb */ color: rgb(10, 15, 69); /* oklch */ color: oklch(21.1% 0.099 270.5);
Tailwind
colors: {
custom: {
50: '#554d79',
500: '#0a0f45',
950: '#000000',
},
}SCSS
$custom: #0a0f45; $custom-light: #554d79; $custom-dark: #000000;
JSON
{
"hex": "#0a0f45",
"rgb": {
"r": 10,
"g": 15,
"b": 69
},
"hsl": {
"h": 234.915,
"s": 74.684,
"l": 15.49
},
"oklch": {
"l": 0.21123,
"c": 0.09932,
"h": 270.5
},
"luminance": 0.00836
}Semantic roles & 50–950 ramp
primary
#0A0F45
secondary
#827A29
accent
#E136F1
background
#F5F4F7
surface
#E9E7ED
border
#C5C3C8
text
#030109
muted
#78777B