#6B57CC#6B57CC

#6B57CC is a mid, vivid violet. Relative luminance 0.143; OKLCH L 53.9% C 0.174 H 286.9°. Best body text is #FFFFFF at 5.44:1 contrast (WCAG AA passes).

Color values

HEX	#6B57CC
RGB	rgb(107, 87, 204)
HSL	hsl(250, 53%, 57%)
HSV	hsv(250, 57%, 80%)
CMYK	cmyk(47.5%, 57.4%, 0%, 20%)
CIE-LAB	lab(44.66, 37.73, -58.28)
CIE-LCH	lch(44.66, 69.43, 302.92°)
OKLab	oklab(53.86% 0.0505 -0.1664)
OKLCH	oklch(53.86% 0.174 286.9)
XYZ	xyz(20.3675, 14.3009, 58.8022)
Luminance	0.1430 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6B57CC #B8CC57

analogous

#577ECC #6B57CC #A557CC

triadic

#6B57CC #CC6B57 #57CC6B

tetradic

#6B57CC #CC577E #B8CC57 #57CCA5

square

#6B57CC #CC577E #B8CC57 #57CCA5

split-complementary

#6B57CC #CCA557 #7ECC57

monochromatic

#372781 #4B36B0 #6B57CC #9486DA #BEB5E9

Accessibility & contrast

On white

5.44

#6B57CC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.86

#6B57CC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6B57CC

5.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6B57CC	#FFFFFF	#000000	##FFFFFF
##6B57CC	1.00	5.44	3.86	5.44
#FFFFFF	5.44	1.00	21.00	1.00
#000000	3.86	21.00	1.00	21.00
##FFFFFF	5.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006DD0

Deuteranopia (green-blind)

#0066CA

Tritanopia (blue-blind)

#4A7189

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #6b57cc;
/* rgb */ color: rgb(107, 87, 204);
/* oklch */ color: oklch(53.9% 0.174 286.9);

Tailwind

colors: {
  custom: {
    50: '#9c87dc',
    500: '#6b57cc',
    950: '#000000',
  },
}

SCSS

$custom: #6b57cc;
$custom-light: #9c87dc;
$custom-dark: #000000;

JSON

{
  "hex": "#6b57cc",
  "rgb": {
    "r": 107,
    "g": 87,
    "b": 204
  },
  "hsl": {
    "h": 250.256,
    "s": 53.425,
    "l": 57.059
  },
  "oklch": {
    "l": 0.53858,
    "c": 0.17394,
    "h": 286.9
  },
  "luminance": 0.14302
}

Semantic roles & 50–950 ramp

primary

#6B57CC

secondary

#CFD7A8

accent

#DD4BC4

background

#FAF8FD

surface

#F3EFFB

border

#CDCAD4

text

#0F0B15

muted

#7F7C83

Preview Lab

Preview with #6B57CC

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

Preview Lab → · Contrast checker → · Palette generator →