#010231#010231
#010231 is a very dark, moderate blue. Relative luminance 0.003; OKLCH L 14.9% C 0.093 H 266.1°. Best body text is #FFFFFF at 19.92:1 contrast (WCAG AA passes).
Color values
| HEX | #010231 |
|---|---|
| RGB | rgb(1, 2, 49) |
| HSL | hsl(239, 96%, 10%) |
| HSV | hsv(239, 98%, 19%) |
| CMYK | cmyk(98%, 95.9%, 0%, 80.8%) |
| CIE-LAB | lab(2.45, 13.53, -28.09) |
| CIE-LCH | lch(2.45, 31.18, 295.72°) |
| OKLab | oklab(14.91% -0.0063 -0.0927) |
| OKLCH | oklch(14.91% 0.093 266.1) |
| XYZ | xyz(0.5884, 0.2715, 2.9265) |
| Luminance | 0.0027 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Very Dark Blue
#000133
ΔE00 0.76
Dark Navy
#000435
ΔE00 0.94
Dark Navy Blue
#00022E
ΔE00 1.01
Midnight
#03012D
ΔE00 1.18
Midnight Blue (survey)
#020035
ΔE00 1.66
Navy (survey)
#01153E
ΔE00 3.89
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#010231 #313001
analogous
#011A31 #010231 #180131
triadic
#010231 #310102 #023101
tetradic
#010231 #31011A #313001 #013118
square
#010231 #31011A #313001 #013118
split-complementary
#010231 #311801 #1A3101
monochromatic
#01011E #01011E #010231 #02046D #0307A9
Accessibility & contrast
On white
19.92
#010231 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.05
#010231 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #010231
19.92:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##010231 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##010231 | 1.00 | 19.92 | 1.05 | 19.92 |
| #FFFFFF | 19.92 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.05 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 19.92 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#000C32
Deuteranopia (green-blind)
#000630
Tritanopia (blue-blind)
#001019
Achromatopsia (no color)
#090909
Design tokens & code
CSS
--color: #010231; /* rgb */ color: rgb(1, 2, 49); /* oklch */ color: oklch(14.9% 0.093 266.1);
Tailwind
colors: {
custom: {
50: '#494769',
500: '#010231',
950: '#000000',
},
}SCSS
$custom: #010231; $custom-light: #494769; $custom-dark: #000000;
JSON
{
"hex": "#010231",
"rgb": {
"r": 1,
"g": 2,
"b": 49
},
"hsl": {
"h": 238.75,
"s": 96,
"l": 9.804
},
"oklch": {
"l": 0.14914,
"c": 0.09288,
"h": 266.1
},
"luminance": 0.00272
}Semantic roles & 50–950 ramp
primary
#010231
secondary
#777517
accent
#FB29FF
background
#F4F3F6
surface
#E7E5EB
border
#C3C1C6
text
#010006
muted
#77777A