#151C2D#151C2D
#151C2D is a very dark, muted blue. Relative luminance 0.012; OKLCH L 22.8% C 0.035 H 266.6°. Best body text is #FFFFFF at 16.99:1 contrast (WCAG AA passes).
Color values
| HEX | #151C2D |
|---|---|
| RGB | rgb(21, 28, 45) |
| HSL | hsl(223, 36%, 13%) |
| HSV | hsv(223, 53%, 18%) |
| CMYK | cmyk(53.3%, 37.8%, 0%, 82.4%) |
| CIE-LAB | lab(10.40, 2.55, -12.41) |
| CIE-LCH | lch(10.40, 12.67, 281.62°) |
| OKLab | oklab(22.85% -0.0021 -0.0348) |
| OKLCH | oklch(22.85% 0.035 266.6) |
| XYZ | xyz(1.1980, 1.1793, 2.6466) |
| Luminance | 0.0118 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Dark
#1B2431
ΔE00 4.09
Navy Blue
#1B2A4A
ΔE00 7.09
Navy (survey)
#01153E
ΔE00 8.90
Dark Navy Blue
#00022E
ΔE00 9.93
Midnight
#03012D
ΔE00 10.14
Dark Navy
#000435
ΔE00 10.82
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#151C2D #2D2615
analogous
#15282D #151C2D #1A152D
triadic
#151C2D #2D151C #1C2D15
tetradic
#151C2D #2D1528 #2D2615 #152D1A
square
#151C2D #2D1528 #2D2615 #152D1A
split-complementary
#151C2D #2D1A15 #282D15
monochromatic
#0A0D15 #0A0D15 #151C2D #283657 #3C5080
Accessibility & contrast
On white
16.99
#151C2D on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.24
#151C2D on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #151C2D
16.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##151C2D | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##151C2D | 1.00 | 16.99 | 1.24 | 16.99 |
| #FFFFFF | 16.99 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.24 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 16.99 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#161D2E
Deuteranopia (green-blind)
#141B2D
Tritanopia (blue-blind)
#0C2022
Achromatopsia (no color)
#1C1C1C
Design tokens & code
CSS
--color: #151c2d; /* rgb */ color: rgb(21, 28, 45); /* oklch */ color: oklch(22.8% 0.035 266.6);
Tailwind
colors: {
custom: {
50: '#535766',
500: '#151c2d',
950: '#000000',
},
}SCSS
$custom: #151c2d; $custom-light: #535766; $custom-dark: #000000;
JSON
{
"hex": "#151c2d",
"rgb": {
"r": 21,
"g": 28,
"b": 45
},
"hsl": {
"h": 222.5,
"s": 36.364,
"l": 12.941
},
"oklch": {
"l": 0.22847,
"c": 0.03481,
"h": 266.6
},
"luminance": 0.01179
}Semantic roles & 50–950 ramp
primary
#151C2D
secondary
#63573B
accent
#AB5BCC
background
#F4F5F6
surface
#E7E9EB
border
#C3C5C6
text
#020305
muted
#78787A