#631774#631774

#631774 is a dark, vivid purple. Relative luminance 0.045; OKLCH L 37.7% C 0.157 H 319.4°. Best body text is #FFFFFF at 11.02:1 contrast (WCAG AA passes).

Color values

HEX	#631774
RGB	rgb(99, 23, 116)
HSL	hsl(289, 67%, 27%)
HSV	hsv(289, 80%, 45%)
CMYK	cmyk(14.7%, 80.2%, 0%, 54.5%)
CIE-LAB	lab(25.34, 46.31, -36.29)
CIE-LCH	lch(25.34, 58.83, 321.92°)
OKLab	oklab(37.7% 0.1189 -0.1019)
OKLCH	oklch(37.7% 0.157 319.4)
XYZ	xyz(8.6040, 4.5268, 16.9402)
Luminance	0.0453 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631774 #287417

analogous

#341774 #631774 #741757

triadic

#631774 #746317 #177463

tetradic

#631774 #743417 #287417 #175774

square

#631774 #743417 #287417 #175774

split-complementary

#631774 #577417 #177434

monochromatic

#16051A #370D41 #631774 #8F21A7 #B730D6

Accessibility & contrast

On white

11.02

#631774 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#631774 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631774

11.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631774	#FFFFFF	#000000	##FFFFFF
##631774	1.00	11.02	1.91	11.02
#FFFFFF	11.02	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	11.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003777

Deuteranopia (green-blind)

#1F3F72

Tritanopia (blue-blind)

#632B45

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #631774;
/* rgb */ color: rgb(99, 23, 116);
/* oklch */ color: oklch(37.7% 0.157 319.4);

Tailwind

colors: {
  custom: {
    50: '#935e9c',
    500: '#631774',
    950: '#000000',
  },
}

SCSS

$custom: #631774;
$custom-light: #935e9c;
$custom-dark: #000000;

JSON

{
  "hex": "#631774",
  "rgb": {
    "r": 99,
    "g": 23,
    "b": 116
  },
  "hsl": {
    "h": 289.032,
    "s": 66.906,
    "l": 27.255
  },
  "oklch": {
    "l": 0.37696,
    "c": 0.15662,
    "h": 319.4
  },
  "luminance": 0.04526
}

Semantic roles & 50–950 ramp

primary

#631774

secondary

#51A93D

accent

#EA3E5D

background

#F9F5F9

surface

#F2E9F2

border

#CCC5CC

text

#0D050E

muted

#7E797E

Preview Lab

Preview with #631774

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

Preview Lab → · Contrast checker → · Palette generator →