#371B70#371B70

#371B70 is a dark, vivid violet. Relative luminance 0.028; OKLCH L 31.8% C 0.136 H 291.8°. Best body text is #FFFFFF at 13.52:1 contrast (WCAG AA passes).

Color values

HEX	#371B70
RGB	rgb(55, 27, 112)
HSL	hsl(260, 61%, 27%)
HSV	hsv(260, 76%, 44%)
CMYK	cmyk(50.9%, 75.9%, 0%, 56.1%)
CIE-LAB	lab(19.08, 34.77, -44.17)
CIE-LCH	lch(19.08, 56.22, 308.21°)
OKLab	oklab(31.79% 0.0507 -0.1267)
OKLCH	oklch(31.79% 0.136 291.8)
XYZ	xyz(4.8913, 2.7658, 15.6022)
Luminance	0.0277 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#371B70 #54701B

analogous

#1B2970 #371B70 #621B70

triadic

#371B70 #70371B #1B7037

tetradic

#371B70 #701B29 #54701B #1B7062

square

#371B70 #701B29 #54701B #1B7062

split-complementary

#371B70 #70621B #29701B

monochromatic

#0C0619 #1F0F3F #371B70 #4F27A1 #6937CF

Accessibility & contrast

On white

13.52

#371B70 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#371B70 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #371B70

13.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##371B70	#FFFFFF	#000000	##FFFFFF
##371B70	1.00	13.52	1.55	13.52
#FFFFFF	13.52	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003072

Deuteranopia (green-blind)

#002D6E

Tritanopia (blue-blind)

#253144

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #371b70;
/* rgb */ color: rgb(55, 27, 112);
/* oklch */ color: oklch(31.8% 0.136 291.8);

Tailwind

colors: {
  custom: {
    50: '#745a9a',
    500: '#371b70',
    950: '#000000',
  },
}

SCSS

$custom: #371b70;
$custom-light: #745a9a;
$custom-dark: #000000;

JSON

{
  "hex": "#371b70",
  "rgb": {
    "r": 55,
    "g": 27,
    "b": 112
  },
  "hsl": {
    "h": 259.765,
    "s": 61.151,
    "l": 27.255
  },
  "oklch": {
    "l": 0.31787,
    "c": 0.13648,
    "h": 291.8
  },
  "luminance": 0.02766
}

Semantic roles & 50–950 ramp

primary

#371B70

secondary

#84A542

accent

#E444AF

background

#F7F5F9

surface

#EDE9F2

border

#C8C5CC

text

#09040E

muted

#7B797E

Preview Lab

Preview with #371B70

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

Preview Lab → · Contrast checker → · Palette generator →