#0A1B48#0A1B48
#0A1B48 is a very dark, moderate blue. Relative luminance 0.013; OKLCH L 24.1% C 0.087 H 264.8°. Best body text is #FFFFFF at 16.62:1 contrast (WCAG AA passes).
Color values
| HEX | #0A1B48 |
|---|---|
| RGB | rgb(10, 27, 72) |
| HSL | hsl(224, 76%, 16%) |
| HSV | hsv(224, 86%, 28%) |
| CMYK | cmyk(86.1%, 62.5%, 0%, 71.8%) |
| CIE-LAB | lab(11.39, 12.36, -30.11) |
| CIE-LCH | lch(11.39, 32.55, 292.32°) |
| OKLab | oklab(24.06% -0.0079 -0.0869) |
| OKLCH | oklch(24.06% 0.087 264.8) |
| XYZ | xyz(1.6864, 1.3161, 6.2948) |
| Luminance | 0.0132 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Navy (survey)
#01153E
ΔE00 2.19
Navy Blue (survey)
#001146
ΔE00 3.49
Dark Navy
#000435
ΔE00 5.34
Navy Blue
#1B2A4A
ΔE00 5.67
Very Dark Blue
#000133
ΔE00 5.81
Dark Navy Blue
#00022E
ΔE00 5.98
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#0A1B48 #48370A
analogous
#0A3A48 #0A1B48 #180A48
triadic
#0A1B48 #480A1B #1B480A
tetradic
#0A1B48 #480A3A #48370A #0A4818
square
#0A1B48 #480A3A #48370A #0A4818
split-complementary
#0A1B48 #48180A #3A480A
monochromatic
#040A1B #040A1B #0A1B48 #112F7E #1943B3
Accessibility & contrast
On white
16.62
#0A1B48 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.26
#0A1B48 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #0A1B48
16.62:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##0A1B48 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##0A1B48 | 1.00 | 16.62 | 1.26 | 16.62 |
| #FFFFFF | 16.62 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.26 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 16.62 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#00214A
Deuteranopia (green-blind)
#001C47
Tritanopia (blue-blind)
#00262E
Achromatopsia (no color)
#1E1E1E
Design tokens & code
CSS
--color: #0a1b48; /* rgb */ color: rgb(10, 27, 72); /* oklch */ color: oklch(24.1% 0.087 264.8);
Tailwind
colors: {
custom: {
50: '#55567b',
500: '#0a1b48',
950: '#000000',
},
}SCSS
$custom: #0a1b48; $custom-light: #55567b; $custom-dark: #000000;
JSON
{
"hex": "#0a1b48",
"rgb": {
"r": 10,
"g": 27,
"b": 72
},
"hsl": {
"h": 223.548,
"s": 75.61,
"l": 16.078
},
"oklch": {
"l": 0.24059,
"c": 0.08724,
"h": 264.8
},
"luminance": 0.01316
}Semantic roles & 50–950 ramp
primary
#0A1B48
secondary
#856C29
accent
#BE36F2
background
#F5F5F7
surface
#E9E9EE
border
#C5C5C9
text
#030309
muted
#78787B