#6457CB#6457CB

#6457CB is a mid, vivid blue. Relative luminance 0.138; OKLCH L 53.2% C 0.173 H 283.9°. Best body text is #FFFFFF at 5.57:1 contrast (WCAG AA passes).

Color values

HEX	#6457CB
RGB	rgb(100, 87, 203)
HSL	hsl(247, 53%, 57%)
HSV	hsv(247, 57%, 80%)
CMYK	cmyk(50.7%, 57.1%, 0%, 20.4%)
CIE-LAB	lab(44.00, 35.98, -58.81)
CIE-LCH	lch(44.00, 68.94, 301.46°)
OKLab	oklab(53.2% 0.0416 -0.1682)
OKLCH	oklch(53.2% 0.173 283.9)
XYZ	xyz(19.4400, 13.8365, 58.1347)
Luminance	0.1384 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6457CB #BECB57

analogous

#5784CB #6457CB #9E57CB

triadic

#6457CB #CB6457 #57CB64

tetradic

#6457CB #CB5784 #BECB57 #57CB9E

square

#6457CB #CB5784 #BECB57 #57CB9E

split-complementary

#6457CB #CB9E57 #84CB57

monochromatic

#322880 #4436AF #6457CB #8F86D9 #BAB4E8

Accessibility & contrast

On white

5.57

#6457CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.77

#6457CB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6457CB

5.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6457CB	#FFFFFF	#000000	##FFFFFF
##6457CB	1.00	5.57	3.77	5.57
#FFFFFF	5.57	1.00	21.00	1.00
#000000	3.77	21.00	1.00	21.00
##FFFFFF	5.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006CCF

Deuteranopia (green-blind)

#0064C9

Tritanopia (blue-blind)

#3C7288

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #6457cb;
/* rgb */ color: rgb(100, 87, 203);
/* oklch */ color: oklch(53.2% 0.173 283.9);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#6457cb",
  "rgb": {
    "r": 100,
    "g": 87,
    "b": 203
  },
  "hsl": {
    "h": 246.724,
    "s": 52.727,
    "l": 56.863
  },
  "oklch": {
    "l": 0.532,
    "c": 0.17328,
    "h": 283.9
  },
  "luminance": 0.13838
}

Semantic roles & 50–950 ramp

primary

#6457CB

secondary

#D1D7A7

accent

#DC4CCC

background

#F9F8FD

surface

#F2EFFB

border

#CCCAD4

text

#0E0B15

muted

#7E7C83

Preview Lab

Preview with #6457CB

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

Preview Lab → · Contrast checker → · Palette generator →