#621CB3#621CB3

#621CB3 is a dark, highly saturated violet. Relative luminance 0.067; OKLCH L 43.3% C 0.212 H 297.1°. Best body text is #FFFFFF at 8.99:1 contrast (WCAG AA passes).

Color values

HEX	#621CB3
RGB	rgb(98, 28, 179)
HSL	hsl(268, 73%, 41%)
HSV	hsv(268, 84%, 70%)
CMYK	cmyk(45.3%, 84.4%, 0%, 29.8%)
CIE-LAB	lab(31.07, 58.54, -65.82)
CIE-LCH	lch(31.07, 88.09, 311.65°)
OKLab	oklab(43.29% 0.0965 -0.1887)
OKLCH	oklch(43.29% 0.212 297.1)
XYZ	xyz(13.5868, 6.6816, 43.2129)
Luminance	0.0668 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#621CB3 #6DB31C

analogous

#1C21B3 #621CB3 #AE1CB3

triadic

#621CB3 #B3621C #1CB362

tetradic

#621CB3 #B31C21 #6DB31C #1CB3AE

square

#621CB3 #B31C21 #6DB31C #1CB3AE

split-complementary

#621CB3 #B3AE1C #21B31C

monochromatic

#280B49 #45147E #621CB3 #802EDE #A063E7

Accessibility & contrast

On white

8.99

#621CB3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.34

#621CB3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #621CB3

8.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##621CB3	#FFFFFF	#000000	##FFFFFF
##621CB3	1.00	8.99	2.34	8.99
#FFFFFF	8.99	1.00	21.00	1.00
#000000	2.34	21.00	1.00	21.00
##FFFFFF	8.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004AB7

Deuteranopia (green-blind)

#0047B0

Tritanopia (blue-blind)

#4C4A6B

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #621cb3;
/* rgb */ color: rgb(98, 28, 179);
/* oklch */ color: oklch(43.3% 0.212 297.1);

Tailwind

colors: {
  custom: {
    50: '#9763cb',
    500: '#621cb3',
    950: '#000000',
  },
}

SCSS

$custom: #621cb3;
$custom-light: #9763cb;
$custom-dark: #000000;

JSON

{
  "hex": "#621cb3",
  "rgb": {
    "r": 98,
    "g": 28,
    "b": 179
  },
  "hsl": {
    "h": 267.815,
    "s": 72.947,
    "l": 40.588
  },
  "oklch": {
    "l": 0.43294,
    "c": 0.21192,
    "h": 297.1
  },
  "luminance": 0.06682
}

Semantic roles & 50–950 ramp

primary

#621CB3

secondary

#99CB5F

accent

#F0389B

background

#F9F6FC

surface

#F2EBF9

border

#CCC6D2

text

#0F0613

muted

#7E7A82

Preview Lab

Preview with #621CB3

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

Preview Lab → · Contrast checker → · Palette generator →