#6331B0#6331B0

#6331B0 is a mid, vivid violet. Relative luminance 0.080; OKLCH L 45.3% C 0.189 H 295.9°. Best body text is #FFFFFF at 8.09:1 contrast (WCAG AA passes).

Color values

HEX	#6331B0
RGB	rgb(99, 49, 176)
HSL	hsl(264, 56%, 44%)
HSV	hsv(264, 72%, 69%)
CMYK	cmyk(43.8%, 72.2%, 0%, 31%)
CIE-LAB	lab(33.95, 49.25, -59.31)
CIE-LCH	lch(33.95, 77.10, 309.71°)
OKLab	oklab(45.25% 0.0824 -0.1697)
OKLCH	oklch(45.25% 0.189 295.9)
XYZ	xyz(14.0783, 7.9835, 41.8651)
Luminance	0.0798 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6331B0 #7EB031

analogous

#313FB0 #6331B0 #A331B0

triadic

#6331B0 #B06331 #31B063

tetradic

#6331B0 #B0313F #7EB031 #31B0A3

square

#6331B0 #B0313F #7EB031 #31B0A3

split-complementary

#6331B0 #B0A331 #3FB031

monochromatic

#2D1650 #482480 #6331B0 #8250CE #A480DC

Accessibility & contrast

On white

8.09

#6331B0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.60

#6331B0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #6331B0

8.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6331B0	#FFFFFF	#000000	##FFFFFF
##6331B0	1.00	8.09	2.60	8.09
#FFFFFF	8.09	1.00	21.00	1.00
#000000	2.60	21.00	1.00	21.00
##FFFFFF	8.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051B4

Deuteranopia (green-blind)

#004EAD

Tritanopia (blue-blind)

#4E516D

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #6331b0;
/* rgb */ color: rgb(99, 49, 176);
/* oklch */ color: oklch(45.3% 0.189 295.9);

Tailwind

colors: {
  custom: {
    50: '#966ec9',
    500: '#6331b0',
    950: '#000000',
  },
}

SCSS

$custom: #6331b0;
$custom-light: #966ec9;
$custom-dark: #000000;

JSON

{
  "hex": "#6331b0",
  "rgb": {
    "r": 99,
    "g": 49,
    "b": 176
  },
  "hsl": {
    "h": 263.622,
    "s": 56.444,
    "l": 44.118
  },
  "oklch": {
    "l": 0.4525,
    "c": 0.18867,
    "h": 295.9
  },
  "luminance": 0.07984
}

Semantic roles & 50–950 ramp

primary

#6331B0

secondary

#A7C578

accent

#E048A4

background

#F9F6FC

surface

#F2ECF8

border

#CCC7D1

text

#0E0713

muted

#7E7A82

Preview Lab

Preview with #6331B0

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

Preview Lab → · Contrast checker → · Palette generator →