#631D71#631D71

#631D71 is a dark, vivid purple. Relative luminance 0.047; OKLCH L 38.1% C 0.147 H 320.4°. Best body text is #FFFFFF at 10.80:1 contrast (WCAG AA passes).

Color values

HEX	#631D71
RGB	rgb(99, 29, 113)
HSL	hsl(290, 59%, 28%)
HSV	hsv(290, 74%, 44%)
CMYK	cmyk(12.4%, 74.3%, 0%, 55.7%)
CIE-LAB	lab(25.93, 43.42, -33.42)
CIE-LCH	lch(25.93, 54.79, 322.42°)
OKLab	oklab(38.05% 0.1132 -0.0935)
OKLCH	oklch(38.05% 0.147 320.4)
XYZ	xyz(8.5652, 4.7241, 16.0803)
Luminance	0.0472 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631D71 #2B711D

analogous

#391D71 #631D71 #711D55

triadic

#631D71 #71631D #1D7163

tetradic

#631D71 #71391D #2B711D #1D5571

square

#631D71 #71391D #2B711D #1D5571

split-complementary

#631D71 #55711D #1D7139

monochromatic

#150618 #381140 #631D71 #8E29A2 #B53CCD

Accessibility & contrast

On white

10.80

#631D71 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#631D71 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631D71

10.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631D71	#FFFFFF	#000000	##FFFFFF
##631D71	1.00	10.80	1.94	10.80
#FFFFFF	10.80	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003973

Deuteranopia (green-blind)

#25406F

Tritanopia (blue-blind)

#642D45

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #631d71;
/* rgb */ color: rgb(99, 29, 113);
/* oklch */ color: oklch(38.1% 0.147 320.4);

Tailwind

colors: {
  custom: {
    50: '#92609a',
    500: '#631d71',
    950: '#000000',
  },
}

SCSS

$custom: #631d71;
$custom-light: #92609a;
$custom-dark: #000000;

JSON

{
  "hex": "#631d71",
  "rgb": {
    "r": 99,
    "g": 29,
    "b": 113
  },
  "hsl": {
    "h": 290,
    "s": 59.155,
    "l": 27.843
  },
  "oklch": {
    "l": 0.38051,
    "c": 0.14683,
    "h": 320.4
  },
  "luminance": 0.04724
}

Semantic roles & 50–950 ramp

primary

#631D71

secondary

#55A544

accent

#E24560

background

#F9F5F9

surface

#F2EAF2

border

#CCC6CC

text

#0D050E

muted

#7E797E

Preview Lab

Preview with #631D71

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

Preview Lab → · Contrast checker → · Palette generator →