#371B8F#371B8F

#371B8F is a dark, vivid violet. Relative luminance 0.036; OKLCH L 34.9% C 0.174 H 283.8°. Best body text is #FFFFFF at 12.24:1 contrast (WCAG AA passes).

Color values

HEX	#371B8F
RGB	rgb(55, 27, 143)
HSL	hsl(254, 68%, 33%)
HSV	hsv(254, 81%, 56%)
CMYK	cmyk(61.5%, 81.1%, 0%, 43.9%)
CIE-LAB	lab(22.23, 44.05, -58.66)
CIE-LCH	lch(22.23, 73.36, 306.90°)
OKLab	oklab(34.94% 0.0417 -0.1691)
OKLCH	oklch(34.94% 0.174 283.8)
XYZ	xyz(6.9239, 3.5788, 26.3072)
Luminance	0.0358 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#371B8F #738F1B

analogous

#1B398F #371B8F #711B8F

triadic

#371B8F #8F371B #1B8F37

tetradic

#371B8F #8F1B39 #738F1B #1B8F71

square

#371B8F #8F1B39 #738F1B #1B8F71

split-complementary

#371B8F #8F711B #398F1B

monochromatic

#0F0828 #23115C #371B8F #4B25C2 #6C48DC

Accessibility & contrast

On white

12.24

#371B8F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#371B8F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #371B8F

12.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##371B8F	#FFFFFF	#000000	##FFFFFF
##371B8F	1.00	12.24	1.72	12.24
#FFFFFF	12.24	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003992

Deuteranopia (green-blind)

#00318D

Tritanopia (blue-blind)

#003E55

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #371b8f;
/* rgb */ color: rgb(55, 27, 143);
/* oklch */ color: oklch(34.9% 0.174 283.8);

Tailwind

colors: {
  custom: {
    50: '#7a5cb1',
    500: '#371b8f',
    950: '#000000',
  },
}

SCSS

$custom: #371b8f;
$custom-light: #7a5cb1;
$custom-dark: #000000;

JSON

{
  "hex": "#371b8f",
  "rgb": {
    "r": 55,
    "g": 27,
    "b": 143
  },
  "hsl": {
    "h": 254.483,
    "s": 68.235,
    "l": 33.333
  },
  "oklch": {
    "l": 0.34944,
    "c": 0.17415,
    "h": 283.8
  },
  "luminance": 0.03579
}

Semantic roles & 50–950 ramp

primary

#371B8F

secondary

#A2BE48

accent

#EB3DC1

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0411

muted

#7C7980

Preview Lab

Preview with #371B8F

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

Preview Lab → · Contrast checker → · Palette generator →