#6B57EF#6B57EF

#6B57EF is a mid, highly saturated blue. Relative luminance 0.162; OKLCH L 56.5% C 0.218 H 282.9°. Best body text is #FFFFFF at 4.96:1 contrast (WCAG AA passes).

Color values

HEX	#6B57EF
RGB	rgb(107, 87, 239)
HSL	hsl(248, 83%, 64%)
HSV	hsv(248, 64%, 94%)
CMYK	cmyk(55.2%, 63.6%, 0%, 6.3%)
CIE-LAB	lab(47.20, 48.14, -74.06)
CIE-LCH	lch(47.20, 88.33, 303.03°)
OKLab	oklab(56.52% 0.0486 -0.2128)
OKLCH	oklch(56.52% 0.218 282.9)
XYZ	xyz(25.0468, 16.1726, 83.4464)
Luminance	0.1617 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6B57EF #DBEF57

analogous

#578FEF #6B57EF #B757EF

triadic

#6B57EF #EF6B57 #57EF6B

tetradic

#6B57EF #EF578F #DBEF57 #57EFB7

square

#6B57EF #EF578F #DBEF57 #57EFB7

split-complementary

#6B57EF #EFB757 #8FEF57

monochromatic

#2812BA #3A1FEA #6B57EF #9C8FF4 #CDC7FA

Accessibility & contrast

On white

4.96

#6B57EF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.23

#6B57EF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6B57EF

4.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6B57EF	#FFFFFF	#000000	##FFFFFF
##6B57EF	1.00	4.96	4.23	4.96
#FFFFFF	4.96	1.00	21.00	1.00
#000000	4.23	21.00	1.00	21.00
##FFFFFF	4.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0075F4

Deuteranopia (green-blind)

#006BEC

Tritanopia (blue-blind)

#2A7D9B

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #6b57ef;
/* rgb */ color: rgb(107, 87, 239);
/* oklch */ color: oklch(56.5% 0.218 282.9);

Tailwind

colors: {
  custom: {
    50: '#a188f5',
    500: '#6b57ef',
    950: '#000000',
  },
}

SCSS

$custom: #6b57ef;
$custom-light: #a188f5;
$custom-dark: #000000;

JSON

{
  "hex": "#6b57ef",
  "rgb": {
    "r": 107,
    "g": 87,
    "b": 239
  },
  "hsl": {
    "h": 247.895,
    "s": 82.609,
    "l": 63.922
  },
  "oklch": {
    "l": 0.56515,
    "c": 0.21832,
    "h": 282.9
  },
  "luminance": 0.16174
}

Semantic roles & 50–950 ramp

primary

#6B57EF

secondary

#E5ECB6

accent

#DF06C3

background

#FAF8FF

surface

#F4F0FF

border

#CECBD7

text

#100B17

muted

#7F7C85

Preview Lab

Preview with #6B57EF

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

Preview Lab → · Contrast checker → · Palette generator →