#631283#631283

#631283 is a dark, vivid purple. Relative luminance 0.047; OKLCH L 38.5% C 0.175 H 313.4°. Best body text is #FFFFFF at 10.80:1 contrast (WCAG AA passes).

Color values

HEX	#631283
RGB	rgb(99, 18, 131)
HSL	hsl(283, 76%, 29%)
HSV	hsv(283, 86%, 51%)
CMYK	cmyk(24.4%, 86.3%, 0%, 48.6%)
CIE-LAB	lab(25.93, 50.95, -44.85)
CIE-LCH	lch(25.93, 67.87, 318.64°)
OKLab	oklab(38.47% 0.12 -0.127)
OKLCH	oklch(38.47% 0.175 313.4)
XYZ	xyz(9.4579, 4.7243, 21.8820)
Luminance	0.0472 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Indigo

#4B0082

ΔE00 5.15

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631283 #328312

analogous

#2B1283 #631283 #83126B

triadic

#631283 #836312 #128363

tetradic

#631283 #832B12 #328312 #126B83

square

#631283 #832B12 #328312 #126B83

split-complementary

#631283 #6B8312 #12832B

monochromatic

#14041B #3A0B4D #631283 #8C19B9 #AF2DE2

Accessibility & contrast

On white

10.80

#631283 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#631283 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631283

10.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631283	#FFFFFF	#000000	##FFFFFF
##631283	1.00	10.80	1.94	10.80
#FFFFFF	10.80	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003986

Deuteranopia (green-blind)

#003F81

Tritanopia (blue-blind)

#5F304D

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #631283;
/* rgb */ color: rgb(99, 18, 131);
/* oklch */ color: oklch(38.5% 0.175 313.4);

Tailwind

colors: {
  custom: {
    50: '#945da8',
    500: '#631283',
    950: '#000000',
  },
}

SCSS

$custom: #631283;
$custom-light: #945da8;
$custom-dark: #000000;

JSON

{
  "hex": "#631283",
  "rgb": {
    "r": 99,
    "g": 18,
    "b": 131
  },
  "hsl": {
    "h": 283.009,
    "s": 75.839,
    "l": 29.216
  },
  "oklch": {
    "l": 0.3847,
    "c": 0.17472,
    "h": 313.4
  },
  "luminance": 0.04724
}

Semantic roles & 50–950 ramp

primary

#631283

secondary

#5DB838

accent

#F2356B

background

#F9F5FA

surface

#F2E9F4

border

#CCC5CE

text

#0E0510

muted

#7E797F

Preview Lab

Preview with #631283

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

Preview Lab → · Contrast checker → · Palette generator →