#37347C#37347C
#37347C is a dark, moderate blue. Relative luminance 0.047; OKLCH L 37.1% C 0.119 H 280.8°. Best body text is #FFFFFF at 10.80:1 contrast (WCAG AA passes).
Color values
| HEX | #37347C |
|---|---|
| RGB | rgb(55, 52, 124) |
| HSL | hsl(243, 41%, 35%) |
| HSV | hsv(243, 58%, 49%) |
| CMYK | cmyk(55.6%, 58.1%, 0%, 51.4%) |
| CIE-LAB | lab(25.93, 23.11, -40.70) |
| CIE-LCH | lch(25.93, 46.80, 299.58°) |
| OKLab | oklab(37.08% 0.0222 -0.1165) |
| OKLCH | oklch(37.08% 0.119 280.8) |
| XYZ | xyz(6.4405, 4.7231, 19.6371) |
| Luminance | 0.0472 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Darkslateblue
#483D8B
ΔE00 3.95
Blueberry
#464196
ΔE00 5.35
Sapphire (survey)
#2138AB
ΔE00 7.83
Midnight Blue
#191970
ΔE00 7.83
Marine
#042E60
ΔE00 8.74
Twilight
#4E518B
ΔE00 9.22
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#37347C #797C34
analogous
#34557C #37347C #5B347C
triadic
#37347C #7C3734 #347C37
tetradic
#37347C #7C3455 #797C34 #347C5B
square
#37347C #7C3455 #797C34 #347C5B
split-complementary
#37347C #7C5B34 #557C34
monochromatic
#111026 #242251 #37347C #4A46A7 #6E6AC0
Accessibility & contrast
On white
10.80
#37347C on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.94
#37347C on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #37347C
10.80:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##37347C | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##37347C | 1.00 | 10.80 | 1.94 | 10.80 |
| #FFFFFF | 10.80 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.94 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 10.80 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#02407E
Deuteranopia (green-blind)
#003B7A
Tritanopia (blue-blind)
#184552
Achromatopsia (no color)
#3D3D3D
Design tokens & code
CSS
--color: #37347c; /* rgb */ color: rgb(55, 52, 124); /* oklch */ color: oklch(37.1% 0.119 280.8);
Tailwind
colors: {
custom: {
50: '#746ba2',
500: '#37347c',
950: '#000000',
},
}SCSS
$custom: #37347c; $custom-light: #746ba2; $custom-dark: #000000;
JSON
{
"hex": "#37347c",
"rgb": {
"r": 55,
"g": 52,
"b": 124
},
"hsl": {
"h": 242.5,
"s": 40.909,
"l": 34.51
},
"oklch": {
"l": 0.37081,
"c": 0.11859,
"h": 280.8
},
"luminance": 0.04723
}Semantic roles & 50–950 ramp
primary
#37347C
secondary
#A6A963
accent
#D157CC
background
#F7F6FA
surface
#EDEBF4
border
#C8C6CE
text
#09060F
muted
#7B7A7F