#631DA1#631DA1

#631DA1 is a dark, vivid violet. Relative luminance 0.061; OKLCH L 41.9% C 0.194 H 302.3°. Best body text is #FFFFFF at 9.46:1 contrast (WCAG AA passes).

Color values

HEX	#631DA1
RGB	rgb(99, 29, 161)
HSL	hsl(272, 69%, 37%)
HSV	hsv(272, 82%, 63%)
CMYK	cmyk(38.5%, 82%, 0%, 36.9%)
CIE-LAB	lab(29.67, 54.07, -57.28)
CIE-LCH	lch(29.67, 78.77, 313.35°)
OKLab	oklab(41.86% 0.1034 -0.1636)
OKLCH	oklch(41.86% 0.194 302.3)
XYZ	xyz(12.0164, 6.1045, 34.2565)
Luminance	0.0611 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631DA1 #5BA11D

analogous

#211DA1 #631DA1 #A11D9D

triadic

#631DA1 #A1631D #1DA163

tetradic

#631DA1 #A1211D #5BA11D #1D9DA1

square

#631DA1 #A1211D #5BA11D #1D9DA1

split-complementary

#631DA1 #9DA11D #1DA121

monochromatic

#230A39 #43146D #631DA1 #8326D5 #A058E1

Accessibility & contrast

On white

9.46

#631DA1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.22

#631DA1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631DA1

9.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631DA1	#FFFFFF	#000000	##FFFFFF
##631DA1	1.00	9.46	2.22	9.46
#FFFFFF	9.46	1.00	21.00	1.00
#000000	2.22	21.00	1.00	21.00
##FFFFFF	9.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0045A5

Deuteranopia (green-blind)

#00459F

Tritanopia (blue-blind)

#564260

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #631da1;
/* rgb */ color: rgb(99, 29, 161);
/* oklch */ color: oklch(41.9% 0.194 302.3);

Tailwind

colors: {
  custom: {
    50: '#9663be',
    500: '#631da1',
    950: '#000000',
  },
}

SCSS

$custom: #631da1;
$custom-light: #9663be;
$custom-dark: #000000;

JSON

{
  "hex": "#631da1",
  "rgb": {
    "r": 99,
    "g": 29,
    "b": 161
  },
  "hsl": {
    "h": 271.818,
    "s": 69.474,
    "l": 37.255
  },
  "oklch": {
    "l": 0.41856,
    "c": 0.19355,
    "h": 302.3
  },
  "luminance": 0.06105
}

Semantic roles & 50–950 ramp

primary

#631DA1

secondary

#8AC455

accent

#EC3C8F

background

#F9F6FB

surface

#F2EBF7

border

#CCC6D0

text

#0E0612

muted

#7E7A81

Preview Lab

Preview with #631DA1

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

Preview Lab → · Contrast checker → · Palette generator →