#631E8F#631E8F

#631E8F is a dark, vivid violet. Relative luminance 0.056; OKLCH L 40.4% C 0.175 H 308.0°. Best body text is #FFFFFF at 9.94:1 contrast (WCAG AA passes).

Color values

HEX	#631E8F
RGB	rgb(99, 30, 143)
HSL	hsl(277, 65%, 34%)
HSV	hsv(277, 79%, 56%)
CMYK	cmyk(30.8%, 79%, 0%, 43.9%)
CIE-LAB	lab(28.29, 49.53, -48.51)
CIE-LCH	lch(28.29, 69.33, 315.60°)
OKLab	oklab(40.42% 0.1075 -0.1379)
OKLCH	oklch(40.42% 0.175 308)
XYZ	xyz(10.5667, 5.5645, 26.4987)
Luminance	0.0556 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631E8F #4A8F1E

analogous

#2B1E8F #631E8F #8F1E83

triadic

#631E8F #8F631E #1E8F63

tetradic

#631E8F #8F2B1E #4A8F1E #1E838F

square

#631E8F #8F2B1E #4A8F1E #1E838F

split-complementary

#631E8F #838F1E #1E8F2B

monochromatic

#1D092A #40135C #631E8F #8629C2 #A34EDA

Accessibility & contrast

On white

9.94

#631E8F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.11

#631E8F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631E8F

9.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631E8F	#FFFFFF	#000000	##FFFFFF
##631E8F	1.00	9.94	2.11	9.94
#FFFFFF	9.94	1.00	21.00	1.00
#000000	2.11	21.00	1.00	21.00
##FFFFFF	9.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004092

Deuteranopia (green-blind)

#00438D

Tritanopia (blue-blind)

#5C3A56

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #631e8f;
/* rgb */ color: rgb(99, 30, 143);
/* oklch */ color: oklch(40.4% 0.175 308.0);

Tailwind

colors: {
  custom: {
    50: '#9462b1',
    500: '#631e8f',
    950: '#000000',
  },
}

SCSS

$custom: #631e8f;
$custom-light: #9462b1;
$custom-dark: #000000;

JSON

{
  "hex": "#631e8f",
  "rgb": {
    "r": 99,
    "g": 30,
    "b": 143
  },
  "hsl": {
    "h": 276.637,
    "s": 65.318,
    "l": 33.922
  },
  "oklch": {
    "l": 0.40416,
    "c": 0.17484,
    "h": 308
  },
  "luminance": 0.05564
}

Semantic roles & 50–950 ramp

primary

#631E8F

secondary

#78BC4C

accent

#E84081

background

#F9F6FB

surface

#F2EBF6

border

#CCC6D0

text

#0E0611

muted

#7E7A80

Preview Lab

Preview with #631E8F

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

Preview Lab → · Contrast checker → · Palette generator →