#6B57DD#6B57DD

#6B57DD is a mid, vivid blue. Relative luminance 0.152; OKLCH L 55.1% C 0.196 H 284.8°. Best body text is #FFFFFF at 5.21:1 contrast (WCAG AA passes).

Color values

HEX	#6B57DD
RGB	rgb(107, 87, 221)
HSL	hsl(249, 66%, 60%)
HSV	hsv(249, 61%, 87%)
CMYK	cmyk(51.6%, 60.6%, 0%, 13.3%)
CIE-LAB	lab(45.85, 42.77, -66.08)
CIE-LCH	lch(45.85, 78.71, 302.92°)
OKLab	oklab(55.11% 0.05 -0.1894)
OKLCH	oklch(55.11% 0.196 284.8)
XYZ	xyz(22.5188, 15.1615, 70.1325)
Luminance	0.1516 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6B57DD #C9DD57

analogous

#5786DD #6B57DD #AE57DD

triadic

#6B57DD #DD6B57 #57DD6B

tetradic

#6B57DD #DD5786 #C9DD57 #57DDAE

square

#6B57DD #DD5786 #C9DD57 #57DDAE

split-complementary

#6B57DD #DDAE57 #86DD57

monochromatic

#321F9A #422ACD #6B57DD #988AE7 #C5BDF2

Accessibility & contrast

On white

5.21

#6B57DD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.03

#6B57DD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6B57DD

5.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6B57DD	#FFFFFF	#000000	##FFFFFF
##6B57DD	1.00	5.21	4.03	5.21
#FFFFFF	5.21	1.00	21.00	1.00
#000000	4.03	21.00	1.00	21.00
##FFFFFF	5.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0070E1

Deuteranopia (green-blind)

#0068DA

Tritanopia (blue-blind)

#3E7792

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #6b57dd;
/* rgb */ color: rgb(107, 87, 221);
/* oklch */ color: oklch(55.1% 0.196 284.8);

Tailwind

colors: {
  custom: {
    50: '#9e87e8',
    500: '#6b57dd',
    950: '#000000',
  },
}

SCSS

$custom: #6b57dd;
$custom-light: #9e87e8;
$custom-dark: #000000;

JSON

{
  "hex": "#6b57dd",
  "rgb": {
    "r": 107,
    "g": 87,
    "b": 221
  },
  "hsl": {
    "h": 248.955,
    "s": 66.337,
    "l": 60.392
  },
  "oklch": {
    "l": 0.55112,
    "c": 0.19586,
    "h": 284.8
  },
  "luminance": 0.15163
}

Semantic roles & 50–950 ramp

primary

#6B57DD

secondary

#DAE1AE

accent

#CE17B3

background

#FAF8FE

surface

#F4EFFD

border

#CECAD5

text

#0F0B16

muted

#7F7C84

Preview Lab

Preview with #6B57DD

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

Preview Lab → · Contrast checker → · Palette generator →