#151D33#151D33
#151D33 is a very dark, muted blue. Relative luminance 0.013; OKLCH L 23.5% C 0.044 H 267.8°. Best body text is #FFFFFF at 16.73:1 contrast (WCAG AA passes).
Color values
| HEX | #151D33 |
|---|---|
| RGB | rgb(21, 29, 51) |
| HSL | hsl(224, 42%, 14%) |
| HSV | hsv(224, 59%, 20%) |
| CMYK | cmyk(58.8%, 43.1%, 0%, 80%) |
| CIE-LAB | lab(11.11, 4.10, -15.65) |
| CIE-LCH | lch(11.11, 16.18, 284.67°) |
| OKLab | oklab(23.52% -0.0017 -0.0441) |
| OKLCH | oklch(23.52% 0.044 267.8) |
| XYZ | xyz(1.3460, 1.2771, 3.3069) |
| Luminance | 0.0128 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Navy Blue
#1B2A4A
ΔE00 5.40
Dark
#1B2431
ΔE00 5.90
Navy (survey)
#01153E
ΔE00 6.89
Dark Navy Blue
#00022E
ΔE00 8.33
Midnight
#03012D
ΔE00 8.54
Dark Navy
#000435
ΔE00 9.14
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#151D33 #332B15
analogous
#152C33 #151D33 #1C1533
triadic
#151D33 #33151D #1D3315
tetradic
#151D33 #33152C #332B15 #15331C
square
#151D33 #33152C #332B15 #15331C
split-complementary
#151D33 #331C15 #2C3315
monochromatic
#090C16 #090C16 #151D33 #27365E #394E8A
Accessibility & contrast
On white
16.73
#151D33 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.26
#151D33 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #151D33
16.73:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##151D33 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##151D33 | 1.00 | 16.73 | 1.26 | 16.73 |
| #FFFFFF | 16.73 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.26 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 16.73 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#151F34
Deuteranopia (green-blind)
#111C33
Tritanopia (blue-blind)
#082225
Achromatopsia (no color)
#1E1E1E
Design tokens & code
CSS
--color: #151d33; /* rgb */ color: rgb(21, 29, 51); /* oklch */ color: oklch(23.5% 0.044 267.8);
Tailwind
colors: {
custom: {
50: '#54586a',
500: '#151d33',
950: '#000000',
},
}SCSS
$custom: #151d33; $custom-light: #54586a; $custom-dark: #000000;
JSON
{
"hex": "#151d33",
"rgb": {
"r": 21,
"g": 29,
"b": 51
},
"hsl": {
"h": 224,
"s": 41.667,
"l": 14.118
},
"oklch": {
"l": 0.23516,
"c": 0.04417,
"h": 267.8
},
"luminance": 0.01277
}Semantic roles & 50–950 ramp
primary
#151D33
secondary
#6A5D3A
accent
#B156D1
background
#F5F5F6
surface
#E8E9EB
border
#C4C5C6
text
#030306
muted
#78787A