#6457CC#6457CC

#6457CC is a mid, vivid blue. Relative luminance 0.139; OKLCH L 53.3% C 0.175 H 283.8°. Best body text is #FFFFFF at 5.56:1 contrast (WCAG AA passes).

Color values

HEX	#6457CC
RGB	rgb(100, 87, 204)
HSL	hsl(247, 53%, 57%)
HSV	hsv(247, 57%, 80%)
CMYK	cmyk(51%, 57.4%, 0%, 20%)
CIE-LAB	lab(44.07, 36.29, -59.27)
CIE-LCH	lch(44.07, 69.50, 301.48°)
OKLab	oklab(53.27% 0.0416 -0.1696)
OKLCH	oklch(53.27% 0.175 283.8)
XYZ	xyz(19.5595, 13.8843, 58.7643)
Luminance	0.1389 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6457CC #BFCC57

analogous

#5784CC #6457CC #9F57CC

triadic

#6457CC #CC6457 #57CC64

tetradic

#6457CC #CC5784 #BFCC57 #57CC9F

square

#6457CC #CC5784 #BFCC57 #57CC9F

split-complementary

#6457CC #CC9F57 #84CC57

monochromatic

#312781 #4336B0 #6457CC #8F86DA #BBB5E9

Accessibility & contrast

On white

5.56

#6457CC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.78

#6457CC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6457CC

5.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6457CC	#FFFFFF	#000000	##FFFFFF
##6457CC	1.00	5.56	3.78	5.56
#FFFFFF	5.56	1.00	21.00	1.00
#000000	3.78	21.00	1.00	21.00
##FFFFFF	5.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006CD0

Deuteranopia (green-blind)

#0064CA

Tritanopia (blue-blind)

#3C7289

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #6457cc;
/* rgb */ color: rgb(100, 87, 204);
/* oklch */ color: oklch(53.3% 0.175 283.8);

Tailwind

colors: {
  custom: {
    50: '#9887dc',
    500: '#6457cc',
    950: '#000000',
  },
}

SCSS

$custom: #6457cc;
$custom-light: #9887dc;
$custom-dark: #000000;

JSON

{
  "hex": "#6457cc",
  "rgb": {
    "r": 100,
    "g": 87,
    "b": 204
  },
  "hsl": {
    "h": 246.667,
    "s": 53.425,
    "l": 57.059
  },
  "oklch": {
    "l": 0.53273,
    "c": 0.17461,
    "h": 283.8
  },
  "luminance": 0.13885
}

Semantic roles & 50–950 ramp

primary

#6457CC

secondary

#D2D7A8

accent

#DD4BCD

background

#F9F8FD

surface

#F2EFFB

border

#CCCAD4

text

#0E0B15

muted

#7E7C83

Preview Lab

Preview with #6457CC

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

Preview Lab → · Contrast checker → · Palette generator →