#37459F#37459F
#37459F is a dark, vivid blue. Relative luminance 0.076; OKLCH L 43.2% C 0.146 H 272.2°. Best body text is #FFFFFF at 8.35:1 contrast (WCAG AA passes).
Color values
| HEX | #37459F |
|---|---|
| RGB | rgb(55, 69, 159) |
| HSL | hsl(232, 49%, 42%) |
| HSV | hsv(232, 65%, 62%) |
| CMYK | cmyk(65.4%, 56.6%, 0%, 37.6%) |
| CIE-LAB | lab(33.07, 24.20, -50.72) |
| CIE-LCH | lch(33.07, 56.20, 295.51°) |
| OKLab | oklab(43.24% 0.0055 -0.1458) |
| OKLCH | oklch(43.24% 0.146 272.2) |
| XYZ | xyz(9.9596, 7.5708, 33.7306) |
| Luminance | 0.0757 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Blueberry
#464196
ΔE00 3.61
Sapphire (survey)
#2138AB
ΔE00 4.57
Cobalt
#0047AB
ΔE00 4.69
Cobalt (survey)
#1E488F
ΔE00 5.31
Ocean Blue
#4F42B5
ΔE00 5.60
Blue Blue
#2242C7
ΔE00 5.64
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#37459F #9F9137
analogous
#37799F #37459F #5D379F
triadic
#37459F #9F3745 #459F37
tetradic
#37459F #9F3779 #9F9137 #379F5D
square
#37459F #9F3779 #9F9137 #379F5D
split-complementary
#37459F #9F5D37 #799F37
monochromatic
#181E44 #273172 #37459F #5160C3 #7E89D2
Accessibility & contrast
On white
8.35
#37459F on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.51
#37459F on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #37459F
8.35:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##37459F | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##37459F | 1.00 | 8.35 | 2.51 | 8.35 |
| #FFFFFF | 8.35 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.51 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.35 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0053A2
Deuteranopia (green-blind)
#00499D
Tritanopia (blue-blind)
#005B6B
Achromatopsia (no color)
#4E4E4E
Design tokens & code
CSS
--color: #37459f; /* rgb */ color: rgb(55, 69, 159); /* oklch */ color: oklch(43.2% 0.146 272.2);
Tailwind
colors: {
custom: {
50: '#7a78bc',
500: '#37459f',
950: '#000000',
},
}SCSS
$custom: #37459f; $custom-light: #7a78bc; $custom-dark: #000000;
JSON
{
"hex": "#37459f",
"rgb": {
"r": 55,
"g": 69,
"b": 159
},
"hsl": {
"h": 231.923,
"s": 48.598,
"l": 41.961
},
"oklch": {
"l": 0.4324,
"c": 0.14589,
"h": 272.2
},
"luminance": 0.07572
}Semantic roles & 50–950 ramp
primary
#37459F
secondary
#BCB276
accent
#C650D8
background
#F7F7FB
surface
#EEEDF6
border
#C9C8D0
text
#0A0912
muted
#7C7B81