#631FA1#631FA1

#631FA1 is a dark, vivid violet. Relative luminance 0.062; OKLCH L 42.0% C 0.192 H 302.1°. Best body text is #FFFFFF at 9.37:1 contrast (WCAG AA passes).

Color values

HEX	#631FA1
RGB	rgb(99, 31, 161)
HSL	hsl(271, 68%, 38%)
HSV	hsv(271, 81%, 63%)
CMYK	cmyk(38.5%, 80.7%, 0%, 36.9%)
CIE-LAB	lab(29.93, 53.34, -56.87)
CIE-LCH	lch(29.93, 77.97, 313.17°)
OKLab	oklab(42.03% 0.1019 -0.1624)
OKLCH	oklch(42.03% 0.192 302.1)
XYZ	xyz(12.0670, 6.2058, 34.2734)
Luminance	0.0621 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631FA1 #5DA11F

analogous

#221FA1 #631FA1 #A11F9E

triadic

#631FA1 #A1631F #1FA163

tetradic

#631FA1 #A1221F #5DA11F #1F9EA1

square

#631FA1 #A1221F #5DA11F #1F9EA1

split-complementary

#631FA1 #9EA11F #1FA122

monochromatic

#240B3A #43156E #631FA1 #8329D4 #A05BDF

Accessibility & contrast

On white

9.37

#631FA1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.24

#631FA1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631FA1

9.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631FA1	#FFFFFF	#000000	##FFFFFF
##631FA1	1.00	9.37	2.24	9.37
#FFFFFF	9.37	1.00	21.00	1.00
#000000	2.24	21.00	1.00	21.00
##FFFFFF	9.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0046A5

Deuteranopia (green-blind)

#00469F

Tritanopia (blue-blind)

#554361

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #631fa1;
/* rgb */ color: rgb(99, 31, 161);
/* oklch */ color: oklch(42.0% 0.192 302.1);

Tailwind

colors: {
  custom: {
    50: '#9664be',
    500: '#631fa1',
    950: '#000000',
  },
}

SCSS

$custom: #631fa1;
$custom-light: #9664be;
$custom-dark: #000000;

JSON

{
  "hex": "#631fa1",
  "rgb": {
    "r": 99,
    "g": 31,
    "b": 161
  },
  "hsl": {
    "h": 271.385,
    "s": 67.708,
    "l": 37.647
  },
  "oklch": {
    "l": 0.4203,
    "c": 0.19174,
    "h": 302.1
  },
  "luminance": 0.06206
}

Semantic roles & 50–950 ramp

primary

#631FA1

secondary

#8BC458

accent

#EB3D90

background

#F9F6FB

surface

#F2EBF7

border

#CCC6D0

text

#0E0612

muted

#7E7A81

Preview Lab

Preview with #631FA1

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

Preview Lab → · Contrast checker → · Palette generator →