#631D97#631D97

#631D97 is a dark, vivid violet. Relative luminance 0.058; OKLCH L 41.0% C 0.184 H 305.4°. Best body text is #FFFFFF at 9.75:1 contrast (WCAG AA passes).

Color values

HEX	#631D97
RGB	rgb(99, 29, 151)
HSL	hsl(274, 68%, 35%)
HSV	hsv(274, 81%, 59%)
CMYK	cmyk(34.4%, 80.8%, 0%, 40.8%)
CIE-LAB	lab(28.81, 51.75, -52.58)
CIE-LCH	lch(28.81, 73.77, 314.54°)
OKLab	oklab(40.99% 0.1064 -0.1498)
OKLCH	oklch(40.99% 0.184 305.4)
XYZ	xyz(11.1696, 5.7658, 29.7966)
Luminance	0.0577 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

#4B006E

ΔE00 8.00

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631D97 #51971D

analogous

#261D97 #631D97 #971D8E

triadic

#631D97 #97631D #1D9763

tetradic

#631D97 #97261D #51971D #1D8E97

square

#631D97 #97261D #51971D #1D8E97

split-complementary

#631D97 #8E971D #1D9726

monochromatic

#200930 #411364 #631D97 #8527CA #A251DE

Accessibility & contrast

On white

9.75

#631D97 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#631D97 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631D97

9.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631D97	#FFFFFF	#000000	##FFFFFF
##631D97	1.00	9.75	2.15	9.75
#FFFFFF	9.75	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00429A

Deuteranopia (green-blind)

#004495

Tritanopia (blue-blind)

#593D5A

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #631d97;
/* rgb */ color: rgb(99, 29, 151);
/* oklch */ color: oklch(41.0% 0.184 305.4);

Tailwind

colors: {
  custom: {
    50: '#9562b6',
    500: '#631d97',
    950: '#000000',
  },
}

SCSS

$custom: #631d97;
$custom-light: #9562b6;
$custom-dark: #000000;

JSON

{
  "hex": "#631d97",
  "rgb": {
    "r": 99,
    "g": 29,
    "b": 151
  },
  "hsl": {
    "h": 274.426,
    "s": 67.778,
    "l": 35.294
  },
  "oklch": {
    "l": 0.4099,
    "c": 0.18372,
    "h": 305.4
  },
  "luminance": 0.05766
}

Semantic roles & 50–950 ramp

primary

#631D97

secondary

#80C04F

accent

#EB3D87

background

#F9F6FB

surface

#F2EBF6

border

#CCC6D0

text

#0E0611

muted

#7E7A80

Preview Lab

Preview with #631D97

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

Preview Lab → · Contrast checker → · Palette generator →