#631D9F#631D9F

#631D9F is a dark, vivid violet. Relative luminance 0.060; OKLCH L 41.7% C 0.192 H 302.9°. Best body text is #FFFFFF at 9.52:1 contrast (WCAG AA passes).

Color values

HEX	#631D9F
RGB	rgb(99, 29, 159)
HSL	hsl(272, 69%, 37%)
HSV	hsv(272, 82%, 62%)
CMYK	cmyk(37.7%, 81.8%, 0%, 37.6%)
CIE-LAB	lab(29.50, 53.60, -56.35)
CIE-LCH	lch(29.50, 77.77, 313.57°)
OKLab	oklab(41.68% 0.1041 -0.1609)
OKLCH	oklch(41.68% 0.192 302.9)
XYZ	xyz(11.8415, 6.0346, 33.3351)
Luminance	0.0604 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631D9F #599F1D

analogous

#221D9F #631D9F #9F1D9A

triadic

#631D9F #9F631D #1D9F63

tetradic

#631D9F #9F221D #599F1D #1D9A9F

square

#631D9F #9F221D #599F1D #1D9A9F

split-complementary

#631D9F #9A9F1D #1D9F22

monochromatic

#230A37 #43146B #631D9F #8326D3 #A156E0

Accessibility & contrast

On white

9.52

#631D9F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.21

#631D9F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631D9F

9.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631D9F	#FFFFFF	#000000	##FFFFFF
##631D9F	1.00	9.52	2.21	9.52
#FFFFFF	9.52	1.00	21.00	1.00
#000000	2.21	21.00	1.00	21.00
##FFFFFF	9.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0044A2

Deuteranopia (green-blind)

#00459D

Tritanopia (blue-blind)

#56415F

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #631d9f;
/* rgb */ color: rgb(99, 29, 159);
/* oklch */ color: oklch(41.7% 0.192 302.9);

Tailwind

colors: {
  custom: {
    50: '#9663bc',
    500: '#631d9f',
    950: '#000000',
  },
}

SCSS

$custom: #631d9f;
$custom-light: #9663bc;
$custom-dark: #000000;

JSON

{
  "hex": "#631d9f",
  "rgb": {
    "r": 99,
    "g": 29,
    "b": 159
  },
  "hsl": {
    "h": 272.308,
    "s": 69.149,
    "l": 36.863
  },
  "oklch": {
    "l": 0.4168,
    "c": 0.19159,
    "h": 302.9
  },
  "luminance": 0.06035
}

Semantic roles & 50–950 ramp

primary

#631D9F

secondary

#88C454

accent

#EC3C8D

background

#F9F6FB

surface

#F2EBF7

border

#CCC6D0

text

#0E0612

muted

#7E7A81

Preview Lab

Preview with #631D9F

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

Preview Lab → · Contrast checker → · Palette generator →