#631B86#631B86

#631B86 is a dark, vivid purple. Relative luminance 0.052; OKLCH L 39.4% C 0.169 H 311.5°. Best body text is #FFFFFF at 10.34:1 contrast (WCAG AA passes).

Color values

HEX	#631B86
RGB	rgb(99, 27, 134)
HSL	hsl(280, 66%, 32%)
HSV	hsv(280, 80%, 53%)
CMYK	cmyk(26.1%, 79.9%, 0%, 47.5%)
CIE-LAB	lab(27.18, 48.65, -44.71)
CIE-LCH	lch(27.18, 66.08, 317.42°)
OKLab	oklab(39.42% 0.1122 -0.1267)
OKLCH	oklch(39.42% 0.169 311.5)
XYZ	xyz(9.8398, 5.1580, 23.0269)
Luminance	0.0516 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631B86 #3E861B

analogous

#2E1B86 #631B86 #861B74

triadic

#631B86 #86631B #1B8663

tetradic

#631B86 #862E1B #3E861B #1B7486

square

#631B86 #862E1B #3E861B #1B7486

split-complementary

#631B86 #74861B #1B862E

monochromatic

#180620 #3D1153 #631B86 #8925B9 #A842D9

Accessibility & contrast

On white

10.34

#631B86 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.03

#631B86 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631B86

10.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631B86	#FFFFFF	#000000	##FFFFFF
##631B86	1.00	10.34	2.03	10.34
#FFFFFF	10.34	1.00	21.00	1.00
#000000	2.03	21.00	1.00	21.00
##FFFFFF	10.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D89

Deuteranopia (green-blind)

#034184

Tritanopia (blue-blind)

#5F3550

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #631b86;
/* rgb */ color: rgb(99, 27, 134);
/* oklch */ color: oklch(39.4% 0.169 311.5);

Tailwind

colors: {
  custom: {
    50: '#9460aa',
    500: '#631b86',
    950: '#000000',
  },
}

SCSS

$custom: #631b86;
$custom-light: #9460aa;
$custom-dark: #000000;

JSON

{
  "hex": "#631b86",
  "rgb": {
    "r": 99,
    "g": 27,
    "b": 134
  },
  "hsl": {
    "h": 280.374,
    "s": 66.46,
    "l": 31.569
  },
  "oklch": {
    "l": 0.39416,
    "c": 0.16921,
    "h": 311.5
  },
  "luminance": 0.05158
}

Semantic roles & 50–950 ramp

primary

#631B86

secondary

#6AB944

accent

#E93E76

background

#F9F6FA

surface

#F2EBF4

border

#CCC6CE

text

#0E0510

muted

#7E7A7F

Preview Lab

Preview with #631B86

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

Preview Lab → · Contrast checker → · Palette generator →