#621B91#621B91

#621B91 is a dark, vivid violet. Relative luminance 0.054; OKLCH L 40.2% C 0.180 H 307.0°. Best body text is #FFFFFF at 10.07:1 contrast (WCAG AA passes).

Color values

HEX	#621B91
RGB	rgb(98, 27, 145)
HSL	hsl(276, 69%, 34%)
HSV	hsv(276, 81%, 57%)
CMYK	cmyk(32.4%, 81.4%, 0%, 43.1%)
CIE-LAB	lab(27.91, 50.93, -50.36)
CIE-LCH	lch(27.91, 71.62, 315.32°)
OKLab	oklab(40.17% 0.1081 -0.1433)
OKLCH	oklch(40.17% 0.18 307)
XYZ	xyz(10.5387, 5.4250, 27.2745)
Luminance	0.0542 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#621B91 #4A911B

analogous

#271B91 #621B91 #911B85

triadic

#621B91 #91621B #1B9162

tetradic

#621B91 #91271B #4A911B #1B8591

square

#621B91 #91271B #4A911B #1B8591

split-complementary

#621B91 #85911B #1B9127

monochromatic

#1C082A #3F115D #621B91 #8525C5 #A249DD

Accessibility & contrast

On white

10.07

#621B91 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#621B91 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #621B91

10.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##621B91	#FFFFFF	#000000	##FFFFFF
##621B91	1.00	10.07	2.09	10.07
#FFFFFF	10.07	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004094

Deuteranopia (green-blind)

#00428F

Tritanopia (blue-blind)

#5A3A57

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #621b91;
/* rgb */ color: rgb(98, 27, 145);
/* oklch */ color: oklch(40.2% 0.180 307.0);

Tailwind

colors: {
  custom: {
    50: '#9461b2',
    500: '#621b91',
    950: '#000000',
  },
}

SCSS

$custom: #621b91;
$custom-light: #9461b2;
$custom-dark: #000000;

JSON

{
  "hex": "#621b91",
  "rgb": {
    "r": 98,
    "g": 27,
    "b": 145
  },
  "hsl": {
    "h": 276.102,
    "s": 68.605,
    "l": 33.725
  },
  "oklch": {
    "l": 0.40175,
    "c": 0.17953,
    "h": 307
  },
  "luminance": 0.05425
}

Semantic roles & 50–950 ramp

primary

#621B91

secondary

#78BF49

accent

#EB3C82

background

#F9F6FB

surface

#F2EBF6

border

#CCC6D0

text

#0E0511

muted

#7E7A80

Preview Lab

Preview with #621B91

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

Preview Lab → · Contrast checker → · Palette generator →