#631EA6#631EA6

#631EA6 is a dark, vivid violet. Relative luminance 0.063; OKLCH L 42.4% C 0.198 H 300.8°. Best body text is #FFFFFF at 9.26:1 contrast (WCAG AA passes).

Color values

HEX	#631EA6
RGB	rgb(99, 30, 166)
HSL	hsl(270, 69%, 38%)
HSV	hsv(270, 82%, 65%)
CMYK	cmyk(40.4%, 81.9%, 0%, 34.9%)
CIE-LAB	lab(30.24, 54.90, -59.38)
CIE-LCH	lch(30.24, 80.87, 312.75°)
OKLab	oklab(42.39% 0.1011 -0.1698)
OKLCH	oklch(42.39% 0.198 300.8)
XYZ	xyz(12.4911, 6.3343, 36.6335)
Luminance	0.0633 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631EA6 #61A61E

analogous

#1F1EA6 #631EA6 #A61EA5

triadic

#631EA6 #A6631E #1EA663

tetradic

#631EA6 #A61F1E #61A61E #1EA5A6

square

#631EA6 #A61F1E #61A61E #1EA5A6

split-complementary

#631EA6 #A5A61E #1EA61F

monochromatic

#250B3E #441572 #631EA6 #8229D8 #A05DE2

Accessibility & contrast

On white

9.26

#631EA6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.27

#631EA6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631EA6

9.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631EA6	#FFFFFF	#000000	##FFFFFF
##631EA6	1.00	9.26	2.27	9.26
#FFFFFF	9.26	1.00	21.00	1.00
#000000	2.27	21.00	1.00	21.00
##FFFFFF	9.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0047AA

Deuteranopia (green-blind)

#0046A3

Tritanopia (blue-blind)

#534463

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #631ea6;
/* rgb */ color: rgb(99, 30, 166);
/* oklch */ color: oklch(42.4% 0.198 300.8);

Tailwind

colors: {
  custom: {
    50: '#9664c1',
    500: '#631ea6',
    950: '#000000',
  },
}

SCSS

$custom: #631ea6;
$custom-light: #9664c1;
$custom-dark: #000000;

JSON

{
  "hex": "#631ea6",
  "rgb": {
    "r": 99,
    "g": 30,
    "b": 166
  },
  "hsl": {
    "h": 270.441,
    "s": 69.388,
    "l": 38.431
  },
  "oklch": {
    "l": 0.42385,
    "c": 0.19761,
    "h": 300.8
  },
  "luminance": 0.06334
}

Semantic roles & 50–950 ramp

primary

#631EA6

secondary

#8FC65A

accent

#EC3C93

background

#F9F6FC

surface

#F2EBF8

border

#CCC6D1

text

#0E0612

muted

#7E7A81

Preview Lab

Preview with #631EA6

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

Preview Lab → · Contrast checker → · Palette generator →