#37419C#37419C
#37419C is a dark, vivid blue. Relative luminance 0.070; OKLCH L 42.2% C 0.147 H 273.6°. Best body text is #FFFFFF at 8.76:1 contrast (WCAG AA passes).
Color values
| HEX | #37419C |
|---|---|
| RGB | rgb(55, 65, 156) |
| HSL | hsl(234, 48%, 41%) |
| HSV | hsv(234, 65%, 61%) |
| CMYK | cmyk(64.7%, 58.3%, 0%, 38.8%) |
| CIE-LAB | lab(31.79, 25.76, -50.99) |
| CIE-LCH | lch(31.79, 57.13, 296.81°) |
| OKLab | oklab(42.21% 0.0092 -0.1466) |
| OKLCH | oklch(42.21% 0.147 273.6) |
| XYZ | xyz(9.4646, 6.9923, 32.2969) |
| Luminance | 0.0699 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Blueberry
#464196
ΔE00 2.89
Sapphire (survey)
#2138AB
ΔE00 3.88
Darkslateblue
#483D8B
ΔE00 4.81
Ocean Blue
#4F42B5
ΔE00 5.45
Cobalt
#0047AB
ΔE00 5.51
Blue Blue
#2242C7
ΔE00 5.97
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#37419C #9C9237
analogous
#37749C #37419C #60379C
triadic
#37419C #9C3741 #419C37
tetradic
#37419C #9C3774 #9C9237 #379C60
square
#37419C #9C3774 #9C9237 #379C60
split-complementary
#37419C #9C6037 #749C37
monochromatic
#171B42 #272E6F #37419C #4F5AC1 #7C85D1
Accessibility & contrast
On white
8.76
#37419C on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.40
#37419C on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #37419C
8.76:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##37419C | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##37419C | 1.00 | 8.76 | 2.40 | 8.76 |
| #FFFFFF | 8.76 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.40 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.76 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#004F9F
Deuteranopia (green-blind)
#00469A
Tritanopia (blue-blind)
#005768
Achromatopsia (no color)
#4B4B4B
Design tokens & code
CSS
--color: #37419c; /* rgb */ color: rgb(55, 65, 156); /* oklch */ color: oklch(42.2% 0.147 273.6);
Tailwind
colors: {
custom: {
50: '#7975ba',
500: '#37419c',
950: '#000000',
},
}SCSS
$custom: #37419c; $custom-light: #7975ba; $custom-dark: #000000;
JSON
{
"hex": "#37419c",
"rgb": {
"r": 55,
"g": 65,
"b": 156
},
"hsl": {
"h": 234.059,
"s": 47.867,
"l": 41.373
},
"oklch": {
"l": 0.4221,
"c": 0.14692,
"h": 273.6
},
"luminance": 0.06993
}Semantic roles & 50–950 ramp
primary
#37419C
secondary
#BAB375
accent
#CA50D7
background
#F7F7FB
surface
#EEEDF6
border
#C9C8D0
text
#0A0812
muted
#7C7B81