#631E88#631E88

#631E88 is a dark, vivid violet. Relative luminance 0.054; OKLCH L 39.9% C 0.168 H 310.5°. Best body text is #FFFFFF at 10.14:1 contrast (WCAG AA passes).

Color values

HEX	#631E88
RGB	rgb(99, 30, 136)
HSL	hsl(279, 64%, 33%)
HSV	hsv(279, 78%, 53%)
CMYK	cmyk(27.2%, 77.9%, 0%, 46.7%)
CIE-LAB	lab(27.73, 47.95, -45.06)
CIE-LCH	lch(27.73, 65.80, 316.78°)
OKLab	oklab(39.86% 0.1091 -0.1277)
OKLCH	oklch(39.86% 0.168 310.5)
XYZ	xyz(10.0529, 5.3590, 23.7926)
Luminance	0.0536 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631E88 #43881E

analogous

#2E1E88 #631E88 #881E78

triadic

#631E88 #88631E #1E8863

tetradic

#631E88 #882E1E #43881E #1E7888

square

#631E88 #882E1E #43881E #1E7888

split-complementary

#631E88 #78881E #1E882E

monochromatic

#1A0824 #3F1356 #631E88 #8729BA #A649D7

Accessibility & contrast

On white

10.14

#631E88 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#631E88 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631E88

10.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631E88	#FFFFFF	#000000	##FFFFFF
##631E88	1.00	10.14	2.07	10.14
#FFFFFF	10.14	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E8B

Deuteranopia (green-blind)

#034386

Tritanopia (blue-blind)

#5E3752

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #631e88;
/* rgb */ color: rgb(99, 30, 136);
/* oklch */ color: oklch(39.9% 0.168 310.5);

Tailwind

colors: {
  custom: {
    50: '#9462ab',
    500: '#631e88',
    950: '#000000',
  },
}

SCSS

$custom: #631e88;
$custom-light: #9462ab;
$custom-dark: #000000;

JSON

{
  "hex": "#631e88",
  "rgb": {
    "r": 99,
    "g": 30,
    "b": 136
  },
  "hsl": {
    "h": 279.057,
    "s": 63.855,
    "l": 32.549
  },
  "oklch": {
    "l": 0.39855,
    "c": 0.16793,
    "h": 310.5
  },
  "luminance": 0.05359
}

Semantic roles & 50–950 ramp

primary

#631E88

secondary

#70B949

accent

#E7417B

background

#F9F6FA

surface

#F2EBF4

border

#CCC6CE

text

#0E0510

muted

#7E7A7F

Preview Lab

Preview with #631E88

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

Preview Lab → · Contrast checker → · Palette generator →