#010831#010831
#010831 is a very dark, moderate blue. Relative luminance 0.004; OKLCH L 16.5% C 0.082 H 264.6°. Best body text is #FFFFFF at 19.44:1 contrast (WCAG AA passes).
Color values
| HEX | #010831 |
|---|---|
| RGB | rgb(1, 8, 49) |
| HSL | hsl(231, 96%, 10%) |
| HSV | hsv(231, 98%, 19%) |
| CMYK | cmyk(98%, 83.7%, 0%, 80.8%) |
| CIE-LAB | lab(3.63, 11.13, -26.21) |
| CIE-LCH | lch(3.63, 28.48, 293.00°) |
| OKLab | oklab(16.51% -0.0078 -0.082) |
| OKLCH | oklch(16.51% 0.082 264.6) |
| XYZ | xyz(0.6535, 0.4018, 2.9482) |
| Luminance | 0.0040 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Dark Navy Blue
#00022E
ΔE00 0.95
Midnight
#03012D
ΔE00 1.54
Dark Navy
#000435
ΔE00 1.96
Very Dark Blue
#000133
ΔE00 2.07
Midnight Blue (survey)
#020035
ΔE00 2.99
Navy (survey)
#01153E
ΔE00 3.04
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#010831 #312A01
analogous
#012031 #010831 #120131
triadic
#010831 #310108 #083101
tetradic
#010831 #310120 #312A01 #013112
square
#010831 #310120 #312A01 #013112
split-complementary
#010831 #311201 #203101
monochromatic
#01051E #01051E #010831 #02126D #031CA9
Accessibility & contrast
On white
19.44
#010831 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.08
#010831 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #010831
19.44:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##010831 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##010831 | 1.00 | 19.44 | 1.08 | 19.44 |
| #FFFFFF | 19.44 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.08 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 19.44 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#001032
Deuteranopia (green-blind)
#000A30
Tritanopia (blue-blind)
#00141B
Achromatopsia (no color)
#0D0D0D
Design tokens & code
CSS
--color: #010831; /* rgb */ color: rgb(1, 8, 49); /* oklch */ color: oklch(16.5% 0.082 264.6);
Tailwind
colors: {
custom: {
50: '#494a69',
500: '#010831',
950: '#000000',
},
}SCSS
$custom: #010831; $custom-light: #494a69; $custom-dark: #000000;
JSON
{
"hex": "#010831",
"rgb": {
"r": 1,
"g": 8,
"b": 49
},
"hsl": {
"h": 231.25,
"s": 96,
"l": 9.804
},
"oklch": {
"l": 0.16512,
"c": 0.08237,
"h": 264.6
},
"luminance": 0.00402
}Semantic roles & 50–950 ramp
primary
#010831
secondary
#776917
accent
#E029FF
background
#F4F4F6
surface
#E7E7EB
border
#C3C3C6
text
#010106
muted
#77777A