#371DAD#371DAD

#371DAD is a dark, highly saturated violet. Relative luminance 0.047; OKLCH L 38.5% C 0.207 H 278.6°. Best body text is #FFFFFF at 10.82:1 contrast (WCAG AA passes).

Color values

HEX	#371DAD
RGB	rgb(55, 29, 173)
HSL	hsl(251, 71%, 40%)
HSV	hsv(251, 83%, 68%)
CMYK	cmyk(68.2%, 83.2%, 0%, 32.2%)
CIE-LAB	lab(25.88, 51.96, -70.94)
CIE-LCH	lch(25.88, 87.94, 306.22°)
OKLab	oklab(38.46% 0.0309 -0.2049)
OKLCH	oklch(38.46% 0.207 278.6)
XYZ	xyz(9.5553, 4.7073, 39.9321)
Luminance	0.0471 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#371DAD #93AD1D

analogous

#1D4BAD #371DAD #7F1DAD

triadic

#371DAD #AD371D #1DAD37

tetradic

#371DAD #AD1D4B #93AD1D #1DAD7F

square

#371DAD #AD1D4B #93AD1D #1DAD7F

split-complementary

#371DAD #AD7F1D #4BAD1D

monochromatic

#160B44 #261479 #371DAD #4B2CDC #7860E4

Accessibility & contrast

On white

10.82

#371DAD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#371DAD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #371DAD

10.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##371DAD	#FFFFFF	#000000	##FFFFFF
##371DAD	1.00	10.82	1.94	10.82
#FFFFFF	10.82	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0043B1

Deuteranopia (green-blind)

#0037AB

Tritanopia (blue-blind)

#004B67

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #371dad;
/* rgb */ color: rgb(55, 29, 173);
/* oklch */ color: oklch(38.5% 0.207 278.6);

Tailwind

colors: {
  custom: {
    50: '#805fc7',
    500: '#371dad',
    950: '#000000',
  },
}

SCSS

$custom: #371dad;
$custom-light: #805fc7;
$custom-dark: #000000;

JSON

{
  "hex": "#371dad",
  "rgb": {
    "r": 55,
    "g": 29,
    "b": 173
  },
  "hsl": {
    "h": 250.833,
    "s": 71.287,
    "l": 39.608
  },
  "oklch": {
    "l": 0.38456,
    "c": 0.20721,
    "h": 278.6
  },
  "luminance": 0.04708
}

Semantic roles & 50–950 ramp

primary

#371DAD

secondary

#B5C95D

accent

#EE3ACD

background

#F8F5FC

surface

#F0EAF8

border

#CBC6D1

text

#0C0513

muted

#7D7982

Preview Lab

Preview with #371DAD

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

Preview Lab → · Contrast checker → · Palette generator →