#371FC2#371FC2

#371FC2 is a dark, highly saturated blue. Relative luminance 0.057; OKLCH L 41.0% C 0.229 H 275.9°. Best body text is #FFFFFF at 9.83:1 contrast (WCAG AA passes).

Color values

HEX	#371FC2
RGB	rgb(55, 31, 194)
HSL	hsl(249, 72%, 44%)
HSV	hsv(249, 84%, 76%)
CMYK	cmyk(71.6%, 84%, 0%, 23.9%)
CIE-LAB	lab(28.61, 57.16, -78.92)
CIE-LCH	lch(28.61, 97.45, 305.91°)
OKLab	oklab(41.03% 0.0237 -0.2281)
OKLCH	oklch(41.03% 0.229 275.9)
XYZ	xyz(11.8000, 5.6861, 51.5041)
Luminance	0.0569 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#371FC2 #AAC21F

analogous

#1F59C2 #371FC2 #881FC2

triadic

#371FC2 #C2371F #1FC237

tetradic

#371FC2 #C21F59 #AAC21F #1FC288

square

#371FC2 #C21F59 #AAC21F #1FC288

split-complementary

#371FC2 #C2881F #59C21F

monochromatic

#190E58 #28178D #371FC2 #563EE0 #8473E9

Accessibility & contrast

On white

9.83

#371FC2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#371FC2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #371FC2

9.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##371FC2	#FFFFFF	#000000	##FFFFFF
##371FC2	1.00	9.83	2.14	9.83
#FFFFFF	9.83	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004AC6

Deuteranopia (green-blind)

#003CBF

Tritanopia (blue-blind)

#005474

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #371fc2;
/* rgb */ color: rgb(55, 31, 194);
/* oklch */ color: oklch(41.0% 0.229 275.9);

Tailwind

colors: {
  custom: {
    50: '#8462d6',
    500: '#371fc2',
    950: '#000000',
  },
}

SCSS

$custom: #371fc2;
$custom-light: #8462d6;
$custom-dark: #000000;

JSON

{
  "hex": "#371fc2",
  "rgb": {
    "r": 55,
    "g": 31,
    "b": 194
  },
  "hsl": {
    "h": 248.834,
    "s": 72.444,
    "l": 44.118
  },
  "oklch": {
    "l": 0.41033,
    "c": 0.2293,
    "h": 275.9
  },
  "luminance": 0.05687
}

Semantic roles & 50–950 ramp

primary

#371FC2

secondary

#C1CF6D

accent

#EF39D4

background

#F9F6FD

surface

#F1EBFA

border

#CBC6D3

text

#0D0515

muted

#7E7A83

Preview Lab

Preview with #371FC2

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →