#631A90#631A90

#631A90 is a dark, vivid violet. Relative luminance 0.054; OKLCH L 40.1% C 0.180 H 308.0°. Best body text is #FFFFFF at 10.09:1 contrast (WCAG AA passes).

Color values

HEX	#631A90
RGB	rgb(99, 26, 144)
HSL	hsl(277, 69%, 33%)
HSV	hsv(277, 82%, 56%)
CMYK	cmyk(31.3%, 81.9%, 0%, 43.5%)
CIE-LAB	lab(27.86, 51.23, -49.83)
CIE-LCH	lch(27.86, 71.46, 315.80°)
OKLab	oklab(40.14% 0.1107 -0.1417)
OKLCH	oklch(40.14% 0.18 308)
XYZ	xyz(10.5480, 5.4052, 26.8678)
Luminance	0.0541 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631A90 #47901A

analogous

#281A90 #631A90 #901A82

triadic

#631A90 #90631A #1A9063

tetradic

#631A90 #90281A #47901A #1A8290

square

#631A90 #90281A #47901A #1A8290

split-complementary

#631A90 #82901A #1A9028

monochromatic

#1C0728 #3F115C #631A90 #8723C4 #A447DE

Accessibility & contrast

On white

10.09

#631A90 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#631A90 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631A90

10.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631A90	#FFFFFF	#000000	##FFFFFF
##631A90	1.00	10.09	2.08	10.09
#FFFFFF	10.09	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F93

Deuteranopia (green-blind)

#00428E

Tritanopia (blue-blind)

#5C3956

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #631a90;
/* rgb */ color: rgb(99, 26, 144);
/* oklch */ color: oklch(40.1% 0.180 308.0);

Tailwind

colors: {
  custom: {
    50: '#9461b1',
    500: '#631a90',
    950: '#000000',
  },
}

SCSS

$custom: #631a90;
$custom-light: #9461b1;
$custom-dark: #000000;

JSON

{
  "hex": "#631a90",
  "rgb": {
    "r": 99,
    "g": 26,
    "b": 144
  },
  "hsl": {
    "h": 277.119,
    "s": 69.412,
    "l": 33.333
  },
  "oklch": {
    "l": 0.40143,
    "c": 0.17978,
    "h": 308
  },
  "luminance": 0.05405
}

Semantic roles & 50–950 ramp

primary

#631A90

secondary

#75BF47

accent

#EC3C7F

background

#F9F6FB

surface

#F2EBF6

border

#CCC6D0

text

#0E0511

muted

#7E7A80

Preview Lab

Preview with #631A90

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

Preview Lab → · Contrast checker → · Palette generator →