#631866#631866

#631866 is a dark, vivid purple. Relative luminance 0.043; OKLCH L 36.8% C 0.143 H 326.3°. Best body text is #FFFFFF at 11.33:1 contrast (WCAG AA passes).

Color values

HEX	#631866
RGB	rgb(99, 24, 102)
HSL	hsl(298, 62%, 25%)
HSV	hsv(298, 76%, 40%)
CMYK	cmyk(2.9%, 76.5%, 0%, 60%)
CIE-LAB	lab(24.53, 43.23, -28.54)
CIE-LCH	lch(24.53, 51.80, 326.56°)
OKLab	oklab(36.82% 0.119 -0.0793)
OKLCH	oklch(36.82% 0.143 326.3)
XYZ	xyz(7.8703, 4.2658, 12.9766)
Luminance	0.0427 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631866 #1B6618

analogous

#3C1866 #631866 #661842

triadic

#631866 #666318 #186663

tetradic

#631866 #663C18 #1B6618 #184266

square

#631866 #663C18 #1B6618 #184266

split-complementary

#631866 #426618 #18663C

monochromatic

#180619 #330C34 #631866 #932498 #C32FC9

Accessibility & contrast

On white

11.33

#631866 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#631866 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631866

11.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631866	#FFFFFF	#000000	##FFFFFF
##631866	1.00	11.33	1.85	11.33
#FFFFFF	11.33	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#053468

Deuteranopia (green-blind)

#2A3D64

Tritanopia (blue-blind)

#66253D

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #631866;
/* rgb */ color: rgb(99, 24, 102);
/* oklch */ color: oklch(36.8% 0.143 326.3);

Tailwind

colors: {
  custom: {
    50: '#925e92',
    500: '#631866',
    950: '#000000',
  },
}

SCSS

$custom: #631866;
$custom-light: #925e92;
$custom-dark: #000000;

JSON

{
  "hex": "#631866",
  "rgb": {
    "r": 99,
    "g": 24,
    "b": 102
  },
  "hsl": {
    "h": 297.692,
    "s": 61.905,
    "l": 24.706
  },
  "oklch": {
    "l": 0.3682,
    "c": 0.14301,
    "h": 326.3
  },
  "luminance": 0.04265
}

Semantic roles & 50–950 ramp

primary

#631866

secondary

#419C3E

accent

#E54349

background

#F9F5F9

surface

#F2E9F1

border

#CCC5CB

text

#0D050D

muted

#7E797E

Preview Lab

Preview with #631866

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

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