#631E90#631E90

#631E90 is a dark, vivid violet. Relative luminance 0.056; OKLCH L 40.5% C 0.176 H 307.6°. Best body text is #FFFFFF at 9.91:1 contrast (WCAG AA passes).

Color values

HEX	#631E90
RGB	rgb(99, 30, 144)
HSL	hsl(276, 66%, 34%)
HSV	hsv(276, 79%, 56%)
CMYK	cmyk(31.3%, 79.2%, 0%, 43.5%)
CIE-LAB	lab(28.37, 49.76, -49.00)
CIE-LCH	lch(28.37, 69.84, 315.44°)
OKLab	oklab(40.5% 0.1073 -0.1393)
OKLCH	oklch(40.5% 0.176 307.6)
XYZ	xyz(10.6428, 5.5950, 26.8994)
Luminance	0.0559 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631E90 #4B901E

analogous

#2A1E90 #631E90 #901E84

triadic

#631E90 #90631E #1E9063

tetradic

#631E90 #902A1E #4B901E #1E8490

square

#631E90 #902A1E #4B901E #1E8490

split-complementary

#631E90 #84901E #1E902A

monochromatic

#1D092B #40135D #631E90 #8629C3 #A34EDA

Accessibility & contrast

On white

9.91

#631E90 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#631E90 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631E90

9.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631E90	#FFFFFF	#000000	##FFFFFF
##631E90	1.00	9.91	2.12	9.91
#FFFFFF	9.91	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004193

Deuteranopia (green-blind)

#00438E

Tritanopia (blue-blind)

#5B3B57

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #631e90;
/* rgb */ color: rgb(99, 30, 144);
/* oklch */ color: oklch(40.5% 0.176 307.6);

Tailwind

colors: {
  custom: {
    50: '#9462b1',
    500: '#631e90',
    950: '#000000',
  },
}

SCSS

$custom: #631e90;
$custom-light: #9462b1;
$custom-dark: #000000;

JSON

{
  "hex": "#631e90",
  "rgb": {
    "r": 99,
    "g": 30,
    "b": 144
  },
  "hsl": {
    "h": 276.316,
    "s": 65.517,
    "l": 34.118
  },
  "oklch": {
    "l": 0.40498,
    "c": 0.17583,
    "h": 307.6
  },
  "luminance": 0.05595
}

Semantic roles & 50–950 ramp

primary

#631E90

secondary

#79BD4D

accent

#E83F82

background

#F9F6FB

surface

#F2EBF6

border

#CCC6D0

text

#0E0611

muted

#7E7A80

Preview Lab

Preview with #631E90

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

Preview Lab → · Contrast checker → · Palette generator →