#37419D#37419D
#37419D is a dark, vivid blue. Relative luminance 0.070; OKLCH L 42.3% C 0.148 H 273.5°. Best body text is #FFFFFF at 8.73:1 contrast (WCAG AA passes).
Color values
| HEX | #37419D |
|---|---|
| RGB | rgb(55, 65, 157) |
| HSL | hsl(234, 48%, 42%) |
| HSV | hsv(234, 65%, 62%) |
| CMYK | cmyk(65%, 58.6%, 0%, 38.4%) |
| CIE-LAB | lab(31.87, 26.12, -51.47) |
| CIE-LCH | lch(31.87, 57.72, 296.91°) |
| OKLab | oklab(42.29% 0.0092 -0.148) |
| OKLCH | oklch(42.29% 0.148 273.5) |
| XYZ | xyz(9.5496, 7.0263, 32.7447) |
| Luminance | 0.0703 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Blueberry
#464196
ΔE00 2.94
Sapphire (survey)
#2138AB
ΔE00 3.78
Darkslateblue
#483D8B
ΔE00 4.89
Ocean Blue
#4F42B5
ΔE00 5.33
Cobalt
#0047AB
ΔE00 5.47
Blue Blue
#2242C7
ΔE00 5.83
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#37419D #9D9337
analogous
#37749D #37419D #60379D
triadic
#37419D #9D3741 #419D37
tetradic
#37419D #9D3774 #9D9337 #379D60
square
#37419D #9D3774 #9D9337 #379D60
split-complementary
#37419D #9D6037 #749D37
monochromatic
#171B42 #272E70 #37419D #505BC2 #7D85D1
Accessibility & contrast
On white
8.73
#37419D on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.41
#37419D on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #37419D
8.73:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##37419D | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##37419D | 1.00 | 8.73 | 2.41 | 8.73 |
| #FFFFFF | 8.73 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.41 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.73 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0050A0
Deuteranopia (green-blind)
#00479B
Tritanopia (blue-blind)
#005768
Achromatopsia (no color)
#4B4B4B
Design tokens & code
CSS
--color: #37419d; /* rgb */ color: rgb(55, 65, 157); /* oklch */ color: oklch(42.3% 0.148 273.5);
Tailwind
colors: {
custom: {
50: '#7975bb',
500: '#37419d',
950: '#000000',
},
}SCSS
$custom: #37419d; $custom-light: #7975bb; $custom-dark: #000000;
JSON
{
"hex": "#37419d",
"rgb": {
"r": 55,
"g": 65,
"b": 157
},
"hsl": {
"h": 234.118,
"s": 48.113,
"l": 41.569
},
"oklch": {
"l": 0.42292,
"c": 0.14832,
"h": 273.5
},
"luminance": 0.07027
}Semantic roles & 50–950 ramp
primary
#37419D
secondary
#BBB475
accent
#CA50D8
background
#F7F7FB
surface
#EEEDF6
border
#C9C8D0
text
#0A0812
muted
#7C7B81