#631B65#631B65

#631B65 is a dark, vivid purple. Relative luminance 0.044; OKLCH L 37.0% C 0.138 H 326.8°. Best body text is #FFFFFF at 11.20:1 contrast (WCAG AA passes).

Color values

HEX	#631B65
RGB	rgb(99, 27, 101)
HSL	hsl(298, 58%, 25%)
HSV	hsv(298, 73%, 40%)
CMYK	cmyk(2%, 73.3%, 0%, 60.4%)
CIE-LAB	lab(24.88, 41.88, -27.34)
CIE-LCH	lch(24.88, 50.01, 326.86°)
OKLab	oklab(37.05% 0.1158 -0.0758)
OKLCH	oklch(37.05% 0.138 326.8)
XYZ	xyz(7.8864, 4.3766, 12.7388)
Luminance	0.0438 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631B65 #1D651B

analogous

#3E1B65 #631B65 #651B42

triadic

#631B65 #65631B #1B6563

tetradic

#631B65 #653E1B #1D651B #1B4265

square

#631B65 #653E1B #1D651B #1B4265

split-complementary

#631B65 #42651B #1B653E

monochromatic

#180618 #340E35 #631B65 #922895 #C235C6

Accessibility & contrast

On white

11.20

#631B65 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#631B65 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631B65

11.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631B65	#FFFFFF	#000000	##FFFFFF
##631B65	1.00	11.20	1.88	11.20
#FFFFFF	11.20	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0D3567

Deuteranopia (green-blind)

#2C3E63

Tritanopia (blue-blind)

#66263E

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #631b65;
/* rgb */ color: rgb(99, 27, 101);
/* oklch */ color: oklch(37.0% 0.138 326.8);

Tailwind

colors: {
  custom: {
    50: '#925f91',
    500: '#631b65',
    950: '#000000',
  },
}

SCSS

$custom: #631b65;
$custom-light: #925f91;
$custom-dark: #000000;

JSON

{
  "hex": "#631b65",
  "rgb": {
    "r": 99,
    "g": 27,
    "b": 101
  },
  "hsl": {
    "h": 298.378,
    "s": 57.813,
    "l": 25.098
  },
  "oklch": {
    "l": 0.37049,
    "c": 0.13837,
    "h": 326.8
  },
  "luminance": 0.04376
}

Semantic roles & 50–950 ramp

primary

#631B65

secondary

#449A41

accent

#E1474B

background

#F9F5F8

surface

#F2EAF0

border

#CCC6CB

text

#0D050D

muted

#7E797D

Preview Lab

Preview with #631B65

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

Preview Lab → · Contrast checker → · Palette generator →