#37428E#37428E
#37428E is a dark, vivid blue. Relative luminance 0.067; OKLCH L 41.3% C 0.125 H 273.4°. Best body text is #FFFFFF at 9.00:1 contrast (WCAG AA passes).
Color values
| HEX | #37428E |
|---|---|
| RGB | rgb(55, 66, 142) |
| HSL | hsl(232, 44%, 39%) |
| HSV | hsv(232, 61%, 56%) |
| CMYK | cmyk(61.3%, 53.5%, 0%, 44.3%) |
| CIE-LAB | lab(31.02, 20.07, -43.69) |
| CIE-LCH | lch(31.02, 48.08, 294.68°) |
| OKLab | oklab(41.31% 0.0075 -0.1251) |
| OKLCH | oklch(41.31% 0.125 273.4) |
| XYZ | xyz(8.4046, 6.6610, 26.4287) |
| Luminance | 0.0666 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Blueberry
#464196
ΔE00 3.34
Darkslateblue
#483D8B
ΔE00 4.44
Cobalt (survey)
#1E488F
ΔE00 5.19
Sapphire (survey)
#2138AB
ΔE00 5.85
Twilight
#4E518B
ΔE00 6.14
Cobalt
#0047AB
ΔE00 6.27
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#37428E #8E8337
analogous
#376D8E #37428E #57378E
triadic
#37428E #8E3742 #428E37
tetradic
#37428E #8E376D #8E8337 #378E57
square
#37428E #8E376D #8E8337 #378E57
split-complementary
#37428E #8E5737 #6D8E37
monochromatic
#151936 #262D62 #37428E #4958B9 #7680CA
Accessibility & contrast
On white
9.00
#37428E on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.33
#37428E on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #37428E
9.00:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##37428E | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##37428E | 1.00 | 9.00 | 2.33 | 9.00 |
| #FFFFFF | 9.00 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.33 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 9.00 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#154D91
Deuteranopia (green-blind)
#00458C
Tritanopia (blue-blind)
#005461
Achromatopsia (no color)
#494949
Design tokens & code
CSS
--color: #37428e; /* rgb */ color: rgb(55, 66, 142); /* oklch */ color: oklch(41.3% 0.125 273.4);
Tailwind
colors: {
custom: {
50: '#7676b0',
500: '#37428e',
950: '#000000',
},
}SCSS
$custom: #37428e; $custom-light: #7676b0; $custom-dark: #000000;
JSON
{
"hex": "#37428e",
"rgb": {
"r": 55,
"g": 66,
"b": 142
},
"hsl": {
"h": 232.414,
"s": 44.162,
"l": 38.627
},
"oklch": {
"l": 0.41307,
"c": 0.12536,
"h": 273.4
},
"luminance": 0.06662
}Semantic roles & 50–950 ramp
primary
#37428E
secondary
#B3AA6E
accent
#C454D4
background
#F7F7FA
surface
#EEEDF5
border
#C9C8CF
text
#090810
muted
#7B7B7F