#631CA1#631CA1

#631CA1 is a dark, vivid violet. Relative luminance 0.061; OKLCH L 41.8% C 0.194 H 302.4°. Best body text is #FFFFFF at 9.50:1 contrast (WCAG AA passes).

Color values

HEX	#631CA1
RGB	rgb(99, 28, 161)
HSL	hsl(272, 70%, 37%)
HSV	hsv(272, 83%, 63%)
CMYK	cmyk(38.5%, 82.6%, 0%, 36.9%)
CIE-LAB	lab(29.55, 54.43, -57.47)
CIE-LCH	lch(29.55, 79.15, 313.44°)
OKLab	oklab(41.77% 0.1042 -0.1642)
OKLCH	oklch(41.77% 0.194 302.4)
XYZ	xyz(11.9923, 6.0563, 34.2485)
Luminance	0.0606 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631CA1 #5AA11C

analogous

#211CA1 #631CA1 #A11C9D

triadic

#631CA1 #A1631C #1CA163

tetradic

#631CA1 #A1211C #5AA11C #1C9DA1

square

#631CA1 #A1211C #5AA11C #1C9DA1

split-complementary

#631CA1 #9DA11C #1CA121

monochromatic

#230A39 #43136D #631CA1 #8325D5 #A056E2

Accessibility & contrast

On white

9.50

#631CA1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.21

#631CA1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631CA1

9.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631CA1	#FFFFFF	#000000	##FFFFFF
##631CA1	1.00	9.50	2.21	9.50
#FFFFFF	9.50	1.00	21.00	1.00
#000000	2.21	21.00	1.00	21.00
##FFFFFF	9.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0045A5

Deuteranopia (green-blind)

#00459F

Tritanopia (blue-blind)

#564160

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #631ca1;
/* rgb */ color: rgb(99, 28, 161);
/* oklch */ color: oklch(41.8% 0.194 302.4);

Tailwind

colors: {
  custom: {
    50: '#9662be',
    500: '#631ca1',
    950: '#000000',
  },
}

SCSS

$custom: #631ca1;
$custom-light: #9662be;
$custom-dark: #000000;

JSON

{
  "hex": "#631ca1",
  "rgb": {
    "r": 99,
    "g": 28,
    "b": 161
  },
  "hsl": {
    "h": 272.03,
    "s": 70.37,
    "l": 37.059
  },
  "oklch": {
    "l": 0.41772,
    "c": 0.19443,
    "h": 302.4
  },
  "luminance": 0.06056
}

Semantic roles & 50–950 ramp

primary

#631CA1

secondary

#89C554

accent

#ED3B8E

background

#F9F6FB

surface

#F2EBF7

border

#CCC6D0

text

#0E0612

muted

#7E7A81

Preview Lab

Preview with #631CA1

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

Preview Lab → · Contrast checker → · Palette generator →