#0A034E#0A034E
#0A034E is a very dark, vivid blue. Relative luminance 0.007; OKLCH L 20.4% C 0.125 H 271.6°. Best body text is #FFFFFF at 18.49:1 contrast (WCAG AA passes).
Color values
| HEX | #0A034E |
|---|---|
| RGB | rgb(10, 3, 78) |
| HSL | hsl(246, 93%, 16%) |
| HSV | hsv(246, 96%, 31%) |
| CMYK | cmyk(87.2%, 96.2%, 0%, 69.4%) |
| CIE-LAB | lab(6.14, 30.89, -42.92) |
| CIE-LCH | lch(6.14, 52.88, 305.74°) |
| OKLab | oklab(20.38% 0.0035 -0.1249) |
| OKLCH | oklch(20.38% 0.125 271.6) |
| XYZ | xyz(1.5324, 0.6795, 7.2566) |
| Luminance | 0.0068 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Night Blue
#040348
ΔE00 1.55
Dark Blue
#00035B
ΔE00 2.47
Dark Indigo
#1F0954
ΔE00 2.84
Darkblue (survey)
#030764
ΔE00 3.78
Dark Royal Blue
#02066F
ΔE00 5.48
Navy Blue (survey)
#001146
ΔE00 5.61
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#0A034E #474E03
analogous
#03214E #0A034E #2F034E
triadic
#0A034E #4E0A03 #034E0A
tetradic
#0A034E #4E0321 #474E03 #034E2F
square
#0A034E #4E0321 #474E03 #034E2F
split-complementary
#0A034E #4E2F03 #214E03
monochromatic
#04011D #04011D #0A034E #120589 #1908C4
Accessibility & contrast
On white
18.49
#0A034E on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.14
#0A034E on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #0A034E
18.49:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##0A034E | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##0A034E | 1.00 | 18.49 | 1.14 | 18.49 |
| #FFFFFF | 18.49 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.14 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 18.49 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#001750
Deuteranopia (green-blind)
#00104D
Tritanopia (blue-blind)
#001C2B
Achromatopsia (no color)
#141414
Design tokens & code
CSS
--color: #0a034e; /* rgb */ color: rgb(10, 3, 78); /* oklch */ color: oklch(20.4% 0.125 271.6);
Tailwind
colors: {
custom: {
50: '#594681',
500: '#0a034e',
950: '#000000',
},
}SCSS
$custom: #0a034e; $custom-light: #594681; $custom-dark: #000000;
JSON
{
"hex": "#0a034e",
"rgb": {
"r": 10,
"g": 3,
"b": 78
},
"hsl": {
"h": 245.6,
"s": 92.593,
"l": 15.882
},
"oklch": {
"l": 0.20378,
"c": 0.12492,
"h": 271.6
},
"luminance": 0.0068
}Semantic roles & 50–950 ramp
primary
#0A034E
secondary
#848E1E
accent
#FF29EB
background
#F5F4F7
surface
#E9E6EE
border
#C5C2C9
text
#04000A
muted
#79777C