#0A104A#0A104A
#0A104A is a very dark, moderate blue. Relative luminance 0.009; OKLCH L 21.9% C 0.105 H 269.8°. Best body text is #FFFFFF at 17.71:1 contrast (WCAG AA passes).
Color values
| HEX | #0A104A |
|---|---|
| RGB | rgb(10, 16, 74) |
| HSL | hsl(234, 76%, 16%) |
| HSV | hsv(234, 86%, 29%) |
| CMYK | cmyk(86.5%, 78.4%, 0%, 71%) |
| CIE-LAB | lab(8.39, 21.56, -36.42) |
| CIE-LCH | lch(8.39, 42.32, 300.63°) |
| OKLab | oklab(21.91% -0.0004 -0.1055) |
| OKLCH | oklch(21.91% 0.105 269.8) |
| XYZ | xyz(1.5461, 0.9294, 6.5751) |
| Luminance | 0.0093 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Navy Blue (survey)
#001146
ΔE00 1.86
Night Blue
#040348
ΔE00 3.19
Midnight Blue (survey)
#020035
ΔE00 4.29
Dark Navy
#000435
ΔE00 4.52
Dark Indigo
#1F0954
ΔE00 4.71
Navy (survey)
#01153E
ΔE00 4.82
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#0A104A #4A440A
analogous
#0A304A #0A104A #240A4A
triadic
#0A104A #4A0A10 #104A0A
tetradic
#0A104A #4A0A30 #4A440A #0A4A24
square
#0A104A #4A0A30 #4A440A #0A4A24
split-complementary
#0A104A #4A240A #304A0A
monochromatic
#04061B #04061B #0A104A #111C80 #1927B6
Accessibility & contrast
On white
17.71
#0A104A on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.19
#0A104A on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #0A104A
17.71:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##0A104A | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##0A104A | 1.00 | 17.71 | 1.19 | 17.71 |
| #FFFFFF | 17.71 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.19 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 17.71 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#001B4C
Deuteranopia (green-blind)
#001549
Tritanopia (blue-blind)
#00202B
Achromatopsia (no color)
#181818
Design tokens & code
CSS
--color: #0a104a; /* rgb */ color: rgb(10, 16, 74); /* oklch */ color: oklch(21.9% 0.105 269.8);
Tailwind
colors: {
custom: {
50: '#574e7d',
500: '#0a104a',
950: '#000000',
},
}SCSS
$custom: #0a104a; $custom-light: #574e7d; $custom-dark: #000000;
JSON
{
"hex": "#0a104a",
"rgb": {
"r": 10,
"g": 16,
"b": 74
},
"hsl": {
"h": 234.375,
"s": 76.19,
"l": 16.471
},
"oklch": {
"l": 0.21911,
"c": 0.10546,
"h": 269.8
},
"luminance": 0.0093
}Semantic roles & 50–950 ramp
primary
#0A104A
secondary
#877E29
accent
#E135F3
background
#F5F4F7
surface
#E9E7EE
border
#C5C3C9
text
#04010A
muted
#79777C