#6B57DB#6B57DB

#6B57DB is a mid, vivid blue. Relative luminance 0.151; OKLCH L 55.0% C 0.193 H 285.0°. Best body text is #FFFFFF at 5.24:1 contrast (WCAG AA passes).

Color values

HEX	#6B57DB
RGB	rgb(107, 87, 219)
HSL	hsl(249, 65%, 60%)
HSV	hsv(249, 60%, 86%)
CMYK	cmyk(51.1%, 60.3%, 0%, 14.1%)
CIE-LAB	lab(45.71, 42.18, -65.17)
CIE-LCH	lch(45.71, 77.63, 302.91°)
OKLab	oklab(54.96% 0.0501 -0.1867)
OKLCH	oklch(54.96% 0.193 285)
XYZ	xyz(22.2540, 15.0555, 68.7375)
Luminance	0.1506 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6B57DB #C7DB57

analogous

#5785DB #6B57DB #AD57DB

triadic

#6B57DB #DB6B57 #57DB6B

tetradic

#6B57DB #DB5785 #C7DB57 #57DBAD

square

#6B57DB #DB5785 #C7DB57 #57DBAD

split-complementary

#6B57DB #DBAD57 #85DB57

monochromatic

#322097 #432BCA #6B57DB #9789E6 #C4BCF1

Accessibility & contrast

On white

5.24

#6B57DB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.01

#6B57DB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6B57DB

5.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6B57DB	#FFFFFF	#000000	##FFFFFF
##6B57DB	1.00	5.24	4.01	5.24
#FFFFFF	5.24	1.00	21.00	1.00
#000000	4.01	21.00	1.00	21.00
##FFFFFF	5.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0070DF

Deuteranopia (green-blind)

#0068D8

Tritanopia (blue-blind)

#407691

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #6b57db;
/* rgb */ color: rgb(107, 87, 219);
/* oklch */ color: oklch(55.0% 0.193 285.0);

Tailwind

colors: {
  custom: {
    50: '#9e87e7',
    500: '#6b57db',
    950: '#000000',
  },
}

SCSS

$custom: #6b57db;
$custom-light: #9e87e7;
$custom-dark: #000000;

JSON

{
  "hex": "#6b57db",
  "rgb": {
    "r": 107,
    "g": 87,
    "b": 219
  },
  "hsl": {
    "h": 249.091,
    "s": 64.706,
    "l": 60
  },
  "oklch": {
    "l": 0.54961,
    "c": 0.19331,
    "h": 285
  },
  "luminance": 0.15057
}

Semantic roles & 50–950 ramp

primary

#6B57DB

secondary

#D9E0AD

accent

#E840CE

background

#FAF8FE

surface

#F4EFFD

border

#CECAD5

text

#0F0B16

muted

#7F7C84

Preview Lab

Preview with #6B57DB

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

Preview Lab → · Contrast checker → · Palette generator →