#631A88#631A88

#631A88 is a dark, vivid violet. Relative luminance 0.052; OKLCH L 39.5% C 0.172 H 310.9°. Best body text is #FFFFFF at 10.33:1 contrast (WCAG AA passes).

Color values

HEX	#631A88
RGB	rgb(99, 26, 136)
HSL	hsl(280, 68%, 32%)
HSV	hsv(280, 81%, 53%)
CMYK	cmyk(27.2%, 80.9%, 0%, 46.7%)
CIE-LAB	lab(27.21, 49.45, -45.91)
CIE-LCH	lch(27.21, 67.48, 317.13°)
OKLab	oklab(39.49% 0.1126 -0.1302)
OKLCH	oklch(39.49% 0.172 310.9)
XYZ	xyz(9.9581, 5.1693, 23.7610)
Luminance	0.0517 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631A88 #3F881A

analogous

#2C1A88 #631A88 #881A76

triadic

#631A88 #88631A #1A8863

tetradic

#631A88 #882C1A #3F881A #1A7688

square

#631A88 #882C1A #3F881A #1A7688

split-complementary

#631A88 #76881A #1A882C

monochromatic

#180621 #3E1055 #631A88 #8824BB #A742DB

Accessibility & contrast

On white

10.33

#631A88 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.03

#631A88 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631A88

10.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631A88	#FFFFFF	#000000	##FFFFFF
##631A88	1.00	10.33	2.03	10.33
#FFFFFF	10.33	1.00	21.00	1.00
#000000	2.03	21.00	1.00	21.00
##FFFFFF	10.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D8B

Deuteranopia (green-blind)

#004186

Tritanopia (blue-blind)

#5E3551

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #631a88;
/* rgb */ color: rgb(99, 26, 136);
/* oklch */ color: oklch(39.5% 0.172 310.9);

Tailwind

colors: {
  custom: {
    50: '#9460ab',
    500: '#631a88',
    950: '#000000',
  },
}

SCSS

$custom: #631a88;
$custom-light: #9460ab;
$custom-dark: #000000;

JSON

{
  "hex": "#631a88",
  "rgb": {
    "r": 99,
    "g": 26,
    "b": 136
  },
  "hsl": {
    "h": 279.818,
    "s": 67.901,
    "l": 31.765
  },
  "oklch": {
    "l": 0.39487,
    "c": 0.17213,
    "h": 310.9
  },
  "luminance": 0.05169
}

Semantic roles & 50–950 ramp

primary

#631A88

secondary

#6BBB43

accent

#EB3D77

background

#F9F6FA

surface

#F2EBF4

border

#CCC6CE

text

#0E0510

muted

#7E7A7F

Preview Lab

Preview with #631A88

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

Preview Lab → · Contrast checker → · Palette generator →