#631B98#631B98

#631B98 is a dark, vivid violet. Relative luminance 0.057; OKLCH L 40.9% C 0.187 H 305.2°. Best body text is #FFFFFF at 9.81:1 contrast (WCAG AA passes).

Color values

HEX	#631B98
RGB	rgb(99, 27, 152)
HSL	hsl(275, 70%, 35%)
HSV	hsv(275, 82%, 60%)
CMYK	cmyk(34.9%, 82.2%, 0%, 40.4%)
CIE-LAB	lab(28.65, 52.69, -53.46)
CIE-LCH	lch(28.65, 75.06, 314.59°)
OKLab	oklab(40.9% 0.1076 -0.1524)
OKLCH	oklch(40.9% 0.187 305.2)
XYZ	xyz(11.2037, 5.7036, 30.2103)
Luminance	0.0570 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

#4B006E

ΔE00 7.98

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631B98 #50981B

analogous

#251B98 #631B98 #981B8E

triadic

#631B98 #98631B #1B9863

tetradic

#631B98 #98251B #50981B #1B8E98

square

#631B98 #98251B #50981B #1B8E98

split-complementary

#631B98 #8E981B #1B9825

monochromatic

#1F0930 #411264 #631B98 #8524CC #A24EE0

Accessibility & contrast

On white

9.81

#631B98 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#631B98 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631B98

9.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631B98	#FFFFFF	#000000	##FFFFFF
##631B98	1.00	9.81	2.14	9.81
#FFFFFF	9.81	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00429B

Deuteranopia (green-blind)

#004496

Tritanopia (blue-blind)

#593D5B

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #631b98;
/* rgb */ color: rgb(99, 27, 152);
/* oklch */ color: oklch(40.9% 0.187 305.2);

Tailwind

colors: {
  custom: {
    50: '#9562b7',
    500: '#631b98',
    950: '#000000',
  },
}

SCSS

$custom: #631b98;
$custom-light: #9562b7;
$custom-dark: #000000;

JSON

{
  "hex": "#631b98",
  "rgb": {
    "r": 99,
    "g": 27,
    "b": 152
  },
  "hsl": {
    "h": 274.56,
    "s": 69.832,
    "l": 35.098
  },
  "oklch": {
    "l": 0.40904,
    "c": 0.18656,
    "h": 305.2
  },
  "luminance": 0.05704
}

Semantic roles & 50–950 ramp

primary

#631B98

secondary

#7FC24D

accent

#ED3B86

background

#F9F6FB

surface

#F2EBF6

border

#CCC6D0

text

#0E0511

muted

#7E7A80

Preview Lab

Preview with #631B98

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

Preview Lab → · Contrast checker → · Palette generator →