#631577#631577

#631577 is a dark, vivid purple. Relative luminance 0.045; OKLCH L 37.8% C 0.161 H 318.2°. Best body text is #FFFFFF at 11.03:1 contrast (WCAG AA passes).

Color values

HEX	#631577
RGB	rgb(99, 21, 119)
HSL	hsl(288, 70%, 27%)
HSV	hsv(288, 82%, 47%)
CMYK	cmyk(16.8%, 82.4%, 0%, 53.3%)
CIE-LAB	lab(25.32, 47.58, -38.23)
CIE-LCH	lch(25.32, 61.04, 321.22°)
OKLab	oklab(37.75% 0.1202 -0.1076)
OKLCH	oklch(37.75% 0.161 318.2)
XYZ	xyz(8.7431, 4.5213, 17.8613)
Luminance	0.0452 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631577 #297715

analogous

#321577 #631577 #77155A

triadic

#631577 #776315 #157763

tetradic

#631577 #773215 #297715 #155A77

square

#631577 #773215 #297715 #155A77

split-complementary

#631577 #5A7715 #157732

monochromatic

#16051A #380C43 #631577 #8E1EAB #B62DDA

Accessibility & contrast

On white

11.03

#631577 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#631577 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631577

11.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631577	#FFFFFF	#000000	##FFFFFF
##631577	1.00	11.03	1.90	11.03
#FFFFFF	11.03	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00377A

Deuteranopia (green-blind)

#1A3E75

Tritanopia (blue-blind)

#622B46

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #631577;
/* rgb */ color: rgb(99, 21, 119);
/* oklch */ color: oklch(37.8% 0.161 318.2);

Tailwind

colors: {
  custom: {
    50: '#935d9f',
    500: '#631577',
    950: '#000000',
  },
}

SCSS

$custom: #631577;
$custom-light: #935d9f;
$custom-dark: #000000;

JSON

{
  "hex": "#631577",
  "rgb": {
    "r": 99,
    "g": 21,
    "b": 119
  },
  "hsl": {
    "h": 287.755,
    "s": 70,
    "l": 27.451
  },
  "oklch": {
    "l": 0.37753,
    "c": 0.16135,
    "h": 318.2
  },
  "luminance": 0.04521
}

Semantic roles & 50–950 ramp

primary

#631577

secondary

#52AD3B

accent

#ED3B5F

background

#F9F5F9

surface

#F2E9F2

border

#CCC5CC

text

#0D050E

muted

#7E797E

Preview Lab

Preview with #631577

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

Preview Lab → · Contrast checker → · Palette generator →