#37449E#37449E
#37449E is a dark, vivid blue. Relative luminance 0.074; OKLCH L 43.0% C 0.146 H 272.5°. Best body text is #FFFFFF at 8.46:1 contrast (WCAG AA passes).
Color values
| HEX | #37449E |
|---|---|
| RGB | rgb(55, 68, 158) |
| HSL | hsl(232, 48%, 42%) |
| HSV | hsv(232, 65%, 62%) |
| CMYK | cmyk(65.2%, 57%, 0%, 38%) |
| CIE-LAB | lab(32.73, 24.50, -50.67) |
| CIE-LCH | lch(32.73, 56.28, 295.81°) |
| OKLab | oklab(42.96% 0.0064 -0.1456) |
| OKLCH | oklch(42.96% 0.146 272.5) |
| XYZ | xyz(9.8122, 7.4142, 33.2551) |
| Luminance | 0.0741 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Blueberry
#464196
ΔE00 3.38
Sapphire (survey)
#2138AB
ΔE00 4.39
Cobalt
#0047AB
ΔE00 4.88
Darkslateblue
#483D8B
ΔE00 5.45
Cobalt (survey)
#1E488F
ΔE00 5.45
Ocean Blue
#4F42B5
ΔE00 5.57
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#37449E #9E9137
analogous
#37789E #37449E #5E379E
triadic
#37449E #9E3744 #449E37
tetradic
#37449E #9E3778 #9E9137 #379E5E
square
#37449E #9E3778 #9E9137 #379E5E
split-complementary
#37449E #9E5E37 #789E37
monochromatic
#171D43 #273071 #37449E #505EC2 #7D88D2
Accessibility & contrast
On white
8.46
#37449E on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.48
#37449E on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #37449E
8.46:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##37449E | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##37449E | 1.00 | 8.46 | 2.48 | 8.46 |
| #FFFFFF | 8.46 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.48 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.46 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0052A1
Deuteranopia (green-blind)
#00499C
Tritanopia (blue-blind)
#005A6A
Achromatopsia (no color)
#4D4D4D
Design tokens & code
CSS
--color: #37449e; /* rgb */ color: rgb(55, 68, 158); /* oklch */ color: oklch(43.0% 0.146 272.5);
Tailwind
colors: {
custom: {
50: '#7977bb',
500: '#37449e',
950: '#000000',
},
}SCSS
$custom: #37449e; $custom-light: #7977bb; $custom-dark: #000000;
JSON
{
"hex": "#37449e",
"rgb": {
"r": 55,
"g": 68,
"b": 158
},
"hsl": {
"h": 232.427,
"s": 48.357,
"l": 41.765
},
"oklch": {
"l": 0.42961,
"c": 0.14579,
"h": 272.5
},
"luminance": 0.07415
}Semantic roles & 50–950 ramp
primary
#37449E
secondary
#BBB276
accent
#C750D8
background
#F7F7FB
surface
#EEEDF6
border
#C9C8D0
text
#0A0812
muted
#7C7B81