#621BB3#621BB3

#621BB3 is a dark, highly saturated violet. Relative luminance 0.066; OKLCH L 43.2% C 0.213 H 297.2°. Best body text is #FFFFFF at 9.02:1 contrast (WCAG AA passes).

Color values

HEX	#621BB3
RGB	rgb(98, 27, 179)
HSL	hsl(268, 74%, 40%)
HSV	hsv(268, 85%, 70%)
CMYK	cmyk(45.3%, 84.9%, 0%, 29.8%)
CIE-LAB	lab(30.96, 58.87, -66.00)
CIE-LCH	lch(30.96, 88.44, 311.73°)
OKLab	oklab(43.22% 0.0971 -0.1892)
OKLCH	oklch(43.22% 0.213 297.2)
XYZ	xyz(13.5635, 6.6349, 43.2051)
Luminance	0.0664 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#621BB3 #6CB31B

analogous

#1B20B3 #621BB3 #AE1BB3

triadic

#621BB3 #B3621B #1BB362

tetradic

#621BB3 #B31B20 #6CB31B #1BB3AE

square

#621BB3 #B31B20 #6CB31B #1BB3AE

split-complementary

#621BB3 #B3AE1B #20B31B

monochromatic

#280B49 #45137E #621BB3 #802CDF #A061E7

Accessibility & contrast

On white

9.02

#621BB3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.33

#621BB3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #621BB3

9.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##621BB3	#FFFFFF	#000000	##FFFFFF
##621BB3	1.00	9.02	2.33	9.02
#FFFFFF	9.02	1.00	21.00	1.00
#000000	2.33	21.00	1.00	21.00
##FFFFFF	9.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0049B7

Deuteranopia (green-blind)

#0047B0

Tritanopia (blue-blind)

#4C496A

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #621bb3;
/* rgb */ color: rgb(98, 27, 179);
/* oklch */ color: oklch(43.2% 0.213 297.2);

Tailwind

colors: {
  custom: {
    50: '#9763cb',
    500: '#621bb3',
    950: '#000000',
  },
}

SCSS

$custom: #621bb3;
$custom-light: #9763cb;
$custom-dark: #000000;

JSON

{
  "hex": "#621bb3",
  "rgb": {
    "r": 98,
    "g": 27,
    "b": 179
  },
  "hsl": {
    "h": 268.026,
    "s": 73.786,
    "l": 40.392
  },
  "oklch": {
    "l": 0.43218,
    "c": 0.21265,
    "h": 297.2
  },
  "luminance": 0.06635
}

Semantic roles & 50–950 ramp

primary

#621BB3

secondary

#99CC5E

accent

#F0379A

background

#F9F6FC

surface

#F2EBF9

border

#CCC6D2

text

#0F0613

muted

#7E7A82

Preview Lab

Preview with #621BB3

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

Preview Lab → · Contrast checker → · Palette generator →