#151B4F#151B4F
#151B4F is a dark, moderate blue. Relative luminance 0.015; OKLCH L 25.4% C 0.095 H 272.6°. Best body text is #FFFFFF at 16.13:1 contrast (WCAG AA passes).
Color values
| HEX | #151B4F |
|---|---|
| RGB | rgb(21, 27, 79) |
| HSL | hsl(234, 58%, 20%) |
| HSV | hsv(234, 73%, 31%) |
| CMYK | cmyk(73.4%, 65.8%, 0%, 69%) |
| CIE-LAB | lab(12.66, 17.05, -32.85) |
| CIE-LCH | lch(12.66, 37.01, 297.43°) |
| OKLab | oklab(25.38% 0.0044 -0.0947) |
| OKLCH | oklch(25.38% 0.095 272.6) |
| XYZ | xyz(2.1120, 1.5076, 7.5753) |
| Luminance | 0.0151 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Navy Blue (survey)
#001146
ΔE00 3.28
Navy (survey)
#01153E
ΔE00 4.07
Dark Navy
#000435
ΔE00 6.00
Midnight Blue (survey)
#020035
ΔE00 6.33
Very Dark Blue
#000133
ΔE00 6.45
Night Blue
#040348
ΔE00 6.51
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#151B4F #4F4915
analogous
#15384F #151B4F #2C154F
triadic
#151B4F #4F151B #1B4F15
tetradic
#151B4F #4F1538 #4F4915 #154F2C
square
#151B4F #4F1538 #4F4915 #154F2C
split-complementary
#151B4F #4F2C15 #384F15
monochromatic
#060818 #080A1F #151B4F #222C7F #2F3CB0
Accessibility & contrast
On white
16.13
#151B4F on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.30
#151B4F on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #151B4F
16.13:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##151B4F | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##151B4F | 1.00 | 16.13 | 1.30 | 16.13 |
| #FFFFFF | 16.13 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.30 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 16.13 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#002451
Deuteranopia (green-blind)
#001E4E
Tritanopia (blue-blind)
#002832
Achromatopsia (no color)
#212121
Design tokens & code
CSS
--color: #151b4f; /* rgb */ color: rgb(21, 27, 79); /* oklch */ color: oklch(25.4% 0.095 272.6);
Tailwind
colors: {
custom: {
50: '#5b5781',
500: '#151b4f',
950: '#000000',
},
}SCSS
$custom: #151b4f; $custom-light: #5b5781; $custom-dark: #000000;
JSON
{
"hex": "#151b4f",
"rgb": {
"r": 21,
"g": 27,
"b": 79
},
"hsl": {
"h": 233.793,
"s": 58,
"l": 19.608
},
"oklch": {
"l": 0.25378,
"c": 0.09476,
"h": 272.6
},
"luminance": 0.01508
}Semantic roles & 50–950 ramp
primary
#151B4F
secondary
#877F39
accent
#D147E1
background
#F5F5F7
surface
#E9E9EE
border
#C5C5C9
text
#04030A
muted
#79787C