#371FAD#371FAD

#371FAD is a dark, highly saturated violet. Relative luminance 0.048; OKLCH L 38.7% C 0.206 H 278.4°. Best body text is #FFFFFF at 10.70:1 contrast (WCAG AA passes).

Color values

HEX	#371FAD
RGB	rgb(55, 31, 173)
HSL	hsl(250, 70%, 40%)
HSV	hsv(250, 82%, 68%)
CMYK	cmyk(68.2%, 82.1%, 0%, 32.2%)
CIE-LAB	lab(26.18, 51.08, -70.45)
CIE-LCH	lch(26.18, 87.02, 305.94°)
OKLab	oklab(38.66% 0.0301 -0.2035)
OKLCH	oklch(38.66% 0.206 278.4)
XYZ	xyz(9.6059, 4.8085, 39.9490)
Luminance	0.0481 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#371FAD #95AD1F

analogous

#1F4EAD #371FAD #7E1FAD

triadic

#371FAD #AD371F #1FAD37

tetradic

#371FAD #AD1F4E #95AD1F #1FAD7E

square

#371FAD #AD1F4E #95AD1F #1FAD7E

split-complementary

#371FAD #AD7E1F #4EAD1F

monochromatic

#160C45 #271679 #371FAD #4C2FDA #7963E3

Accessibility & contrast

On white

10.70

#371FAD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#371FAD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #371FAD

10.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##371FAD	#FFFFFF	#000000	##FFFFFF
##371FAD	1.00	10.70	1.96	10.70
#FFFFFF	10.70	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0043B1

Deuteranopia (green-blind)

#0038AB

Tritanopia (blue-blind)

#004C67

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #371fad;
/* rgb */ color: rgb(55, 31, 173);
/* oklch */ color: oklch(38.7% 0.206 278.4);

Tailwind

colors: {
  custom: {
    50: '#8060c7',
    500: '#371fad',
    950: '#000000',
  },
}

SCSS

$custom: #371fad;
$custom-light: #8060c7;
$custom-dark: #000000;

JSON

{
  "hex": "#371fad",
  "rgb": {
    "r": 55,
    "g": 31,
    "b": 173
  },
  "hsl": {
    "h": 250.141,
    "s": 69.608,
    "l": 40
  },
  "oklch": {
    "l": 0.38661,
    "c": 0.2057,
    "h": 278.4
  },
  "luminance": 0.04809
}

Semantic roles & 50–950 ramp

primary

#371FAD

secondary

#B6C860

accent

#EC3BCE

background

#F8F5FC

surface

#F0EAF8

border

#CBC6D1

text

#0C0513

muted

#7D7982

Preview Lab

Preview with #371FAD

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

Preview Lab → · Contrast checker → · Palette generator →