#6B57F3#6B57F3

#6B57F3 is a mid, highly saturated blue. Relative luminance 0.164; OKLCH L 56.8% C 0.223 H 282.5°. Best body text is #FFFFFF at 4.90:1 contrast (WCAG AA passes).

Color values

HEX	#6B57F3
RGB	rgb(107, 87, 243)
HSL	hsl(248, 87%, 65%)
HSV	hsv(248, 64%, 95%)
CMYK	cmyk(56%, 64.2%, 0%, 4.7%)
CIE-LAB	lab(47.51, 49.34, -75.80)
CIE-LCH	lch(47.51, 90.44, 303.06°)
OKLab	oklab(56.84% 0.0482 -0.2179)
OKLCH	oklch(56.84% 0.223 282.5)
XYZ	xyz(25.6443, 16.4116, 86.5931)
Luminance	0.1641 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6B57F3 #DFF357

analogous

#5791F3 #6B57F3 #B957F3

triadic

#6B57F3 #F36B57 #57F36B

tetradic

#6B57F3 #F35791 #DFF357 #57F3B9

square

#6B57F3 #F35791 #DFF357 #57F3B9

split-complementary

#6B57F3 #F3B957 #91F357

monochromatic

#250EC2 #391EEF #6B57F3 #9D90F7 #D0C9FB

Accessibility & contrast

On white

4.90

#6B57F3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.28

#6B57F3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6B57F3

4.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6B57F3	#FFFFFF	#000000	##FFFFFF
##6B57F3	1.00	4.90	4.28	4.90
#FFFFFF	4.90	1.00	21.00	1.00
#000000	4.28	21.00	1.00	21.00
##FFFFFF	4.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0076F8

Deuteranopia (green-blind)

#006BF0

Tritanopia (blue-blind)

#237E9D

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #6b57f3;
/* rgb */ color: rgb(107, 87, 243);
/* oklch */ color: oklch(56.8% 0.223 282.5);

Tailwind

colors: {
  custom: {
    50: '#a188f8',
    500: '#6b57f3',
    950: '#000000',
  },
}

SCSS

$custom: #6b57f3;
$custom-light: #a188f8;
$custom-dark: #000000;

JSON

{
  "hex": "#6b57f3",
  "rgb": {
    "r": 107,
    "g": 87,
    "b": 243
  },
  "hsl": {
    "h": 247.692,
    "s": 86.667,
    "l": 64.706
  },
  "oklch": {
    "l": 0.56836,
    "c": 0.22321,
    "h": 282.5
  },
  "luminance": 0.16413
}

Semantic roles & 50–950 ramp

primary

#6B57F3

secondary

#E7EEB8

accent

#E302C6

background

#FAF8FF

surface

#F4F0FF

border

#CECBD7

text

#100B17

muted

#7F7C85

Preview Lab

Preview with #6B57F3

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

Preview Lab → · Contrast checker → · Palette generator →