#631777#631777

#631777 is a dark, vivid purple. Relative luminance 0.046; OKLCH L 37.9% C 0.159 H 318.0°. Best body text is #FFFFFF at 10.94:1 contrast (WCAG AA passes).

Color values

HEX	#631777
RGB	rgb(99, 23, 119)
HSL	hsl(288, 68%, 28%)
HSV	hsv(288, 81%, 47%)
CMYK	cmyk(16.8%, 80.7%, 0%, 53.3%)
CIE-LAB	lab(25.56, 46.91, -37.86)
CIE-LCH	lch(25.56, 60.28, 321.09°)
OKLab	oklab(37.92% 0.1185 -0.1065)
OKLCH	oklch(37.92% 0.159 318)
XYZ	xyz(8.7813, 4.5978, 17.8741)
Luminance	0.0460 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631777 #2B7717

analogous

#331777 #631777 #77175B

triadic

#631777 #776317 #177763

tetradic

#631777 #773317 #2B7717 #175B77

square

#631777 #773317 #2B7717 #175B77

split-complementary

#631777 #5B7717 #177733

monochromatic

#15051A #380D44 #631777 #8E21AA #B531D7

Accessibility & contrast

On white

10.94

#631777 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#631777 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631777

10.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631777	#FFFFFF	#000000	##FFFFFF
##631777	1.00	10.94	1.92	10.94
#FFFFFF	10.94	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00387A

Deuteranopia (green-blind)

#1B3F75

Tritanopia (blue-blind)

#622C47

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #631777;
/* rgb */ color: rgb(99, 23, 119);
/* oklch */ color: oklch(37.9% 0.159 318.0);

Tailwind

colors: {
  custom: {
    50: '#935e9f',
    500: '#631777',
    950: '#000000',
  },
}

SCSS

$custom: #631777;
$custom-light: #935e9f;
$custom-dark: #000000;

JSON

{
  "hex": "#631777",
  "rgb": {
    "r": 99,
    "g": 23,
    "b": 119
  },
  "hsl": {
    "h": 287.5,
    "s": 67.606,
    "l": 27.843
  },
  "oklch": {
    "l": 0.37916,
    "c": 0.15934,
    "h": 318
  },
  "luminance": 0.04597
}

Semantic roles & 50–950 ramp

primary

#631777

secondary

#55AC3E

accent

#EA3D61

background

#F9F5F9

surface

#F2EAF2

border

#CCC6CC

text

#0D050E

muted

#7E797E

Preview Lab

Preview with #631777

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

Preview Lab → · Contrast checker → · Palette generator →