#151B52#151B52
#151B52 is a dark, moderate blue. Relative luminance 0.016; OKLCH L 25.7% C 0.099 H 272.5°. Best body text is #FFFFFF at 16.03:1 contrast (WCAG AA passes).
Color values
| HEX | #151B52 |
|---|---|
| RGB | rgb(21, 27, 82) |
| HSL | hsl(234, 59%, 20%) |
| HSV | hsv(234, 74%, 32%) |
| CMYK | cmyk(74.4%, 67.1%, 0%, 67.8%) |
| CIE-LAB | lab(12.94, 18.28, -34.44) |
| CIE-LCH | lch(12.94, 38.99, 297.95°) |
| OKLab | oklab(25.67% 0.0043 -0.0993) |
| OKLCH | oklch(25.67% 0.099 272.5) |
| XYZ | xyz(2.2237, 1.5523, 8.1634) |
| Luminance | 0.0155 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Navy Blue (survey)
#001146
ΔE00 3.37
Navy (survey)
#01153E
ΔE00 4.55
Midnight Blue
#191970
ΔE00 6.12
Night Blue
#040348
ΔE00 6.29
Dark Navy
#000435
ΔE00 6.34
Dark Indigo
#1F0954
ΔE00 6.39
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#151B52 #524C15
analogous
#153A52 #151B52 #2D1552
triadic
#151B52 #52151B #1B5215
tetradic
#151B52 #52153A #524C15 #15522D
square
#151B52 #52153A #524C15 #15522D
split-complementary
#151B52 #522D15 #3A5215
monochromatic
#060818 #090B21 #151B52 #212B83 #2E3BB3
Accessibility & contrast
On white
16.03
#151B52 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.31
#151B52 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #151B52
16.03:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##151B52 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##151B52 | 1.00 | 16.03 | 1.31 | 16.03 |
| #FFFFFF | 16.03 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.31 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 16.03 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#002454
Deuteranopia (green-blind)
#001F51
Tritanopia (blue-blind)
#002933
Achromatopsia (no color)
#212121
Design tokens & code
CSS
--color: #151b52; /* rgb */ color: rgb(21, 27, 82); /* oklch */ color: oklch(25.7% 0.099 272.5);
Tailwind
colors: {
custom: {
50: '#5c5783',
500: '#151b52',
950: '#000000',
},
}SCSS
$custom: #151b52; $custom-light: #5c5783; $custom-dark: #000000;
JSON
{
"hex": "#151b52",
"rgb": {
"r": 21,
"g": 27,
"b": 82
},
"hsl": {
"h": 234.098,
"s": 59.223,
"l": 20.196
},
"oklch": {
"l": 0.25672,
"c": 0.09943,
"h": 272.5
},
"luminance": 0.01552
}Semantic roles & 50–950 ramp
primary
#151B52
secondary
#8A8239
accent
#D345E2
background
#F5F5F8
surface
#E9E9EF
border
#C5C5CA
text
#04030B
muted
#79787C