#631799#631799

#631799 is a dark, vivid violet. Relative luminance 0.056; OKLCH L 40.7% C 0.191 H 305.3°. Best body text is #FFFFFF at 9.94:1 contrast (WCAG AA passes).

Color values

HEX	#631799
RGB	rgb(99, 23, 153)
HSL	hsl(275, 74%, 35%)
HSV	hsv(275, 85%, 60%)
CMYK	cmyk(35.3%, 85%, 0%, 40%)
CIE-LAB	lab(28.29, 54.23, -54.67)
CIE-LCH	lch(28.29, 77.00, 314.77°)
OKLab	oklab(40.68% 0.1102 -0.1559)
OKLCH	oklch(40.68% 0.191 305.3)
XYZ	xyz(11.2004, 5.5654, 30.6150)
Luminance	0.0556 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

#4B006E

ΔE00 7.86

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631799 #4D9917

analogous

#221799 #631799 #99178E

triadic

#631799 #996317 #179963

tetradic

#631799 #992217 #4D9917 #178E99

square

#631799 #992217 #4D9917 #178E99

split-complementary

#631799 #8E9917 #179922

monochromatic

#1E072F #410F64 #631799 #851FCE #A247E3

Accessibility & contrast

On white

9.94

#631799 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.11

#631799 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631799

9.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631799	#FFFFFF	#000000	##FFFFFF
##631799	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)

#00419C

Deuteranopia (green-blind)

#004397

Tritanopia (blue-blind)

#593C5A

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #631799;
/* rgb */ color: rgb(99, 23, 153);
/* oklch */ color: oklch(40.7% 0.191 305.3);

Tailwind

colors: {
  custom: {
    50: '#9560b8',
    500: '#631799',
    950: '#000000',
  },
}

SCSS

$custom: #631799;
$custom-light: #9560b8;
$custom-dark: #000000;

JSON

{
  "hex": "#631799",
  "rgb": {
    "r": 99,
    "g": 23,
    "b": 153
  },
  "hsl": {
    "h": 275.077,
    "s": 73.864,
    "l": 34.51
  },
  "oklch": {
    "l": 0.40679,
    "c": 0.19089,
    "h": 305.3
  },
  "luminance": 0.05565
}

Semantic roles & 50–950 ramp

primary

#631799

secondary

#7BC547

accent

#F13784

background

#F9F6FB

surface

#F2EBF6

border

#CCC6D0

text

#0E0511

muted

#7E7A80

Preview Lab

Preview with #631799

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

Preview Lab → · Contrast checker → · Palette generator →