#6457CD#6457CD

#6457CD is a mid, vivid blue. Relative luminance 0.139; OKLCH L 53.3% C 0.176 H 283.7°. Best body text is #FFFFFF at 5.55:1 contrast (WCAG AA passes).

Color values

HEX	#6457CD
RGB	rgb(100, 87, 205)
HSL	hsl(247, 54%, 57%)
HSV	hsv(247, 58%, 80%)
CMYK	cmyk(51.2%, 57.6%, 0%, 19.6%)
CIE-LAB	lab(44.14, 36.59, -59.74)
CIE-LCH	lch(44.14, 70.05, 301.49°)
OKLab	oklab(53.35% 0.0416 -0.1709)
OKLCH	oklch(53.35% 0.176 283.7)
XYZ	xyz(19.6798, 13.9324, 59.3980)
Luminance	0.1393 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6457CD #C0CD57

analogous

#5785CD #6457CD #9F57CD

triadic

#6457CD #CD6457 #57CD64

tetradic

#6457CD #CD5785 #C0CD57 #57CD9F

square

#6457CD #CD5785 #C0CD57 #57CD9F

split-complementary

#6457CD #CD9F57 #85CD57

monochromatic

#312783 #4335B2 #6457CD #9086DB #BBB5E9

Accessibility & contrast

On white

5.55

#6457CD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.79

#6457CD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6457CD

5.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6457CD	#FFFFFF	#000000	##FFFFFF
##6457CD	1.00	5.55	3.79	5.55
#FFFFFF	5.55	1.00	21.00	1.00
#000000	3.79	21.00	1.00	21.00
##FFFFFF	5.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006CD1

Deuteranopia (green-blind)

#0064CB

Tritanopia (blue-blind)

#3B7289

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #6457cd;
/* rgb */ color: rgb(100, 87, 205);
/* oklch */ color: oklch(53.3% 0.176 283.7);

Tailwind

colors: {
  custom: {
    50: '#9887dd',
    500: '#6457cd',
    950: '#000000',
  },
}

SCSS

$custom: #6457cd;
$custom-light: #9887dd;
$custom-dark: #000000;

JSON

{
  "hex": "#6457cd",
  "rgb": {
    "r": 100,
    "g": 87,
    "b": 205
  },
  "hsl": {
    "h": 246.61,
    "s": 54.128,
    "l": 57.255
  },
  "oklch": {
    "l": 0.53346,
    "c": 0.17592,
    "h": 283.7
  },
  "luminance": 0.13933
}

Semantic roles & 50–950 ramp

primary

#6457CD

secondary

#D3D8A8

accent

#DD4ACD

background

#F9F8FD

surface

#F2EFFB

border

#CCCAD4

text

#0E0B15

muted

#7E7C83

Preview Lab

Preview with #6457CD

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

Preview Lab → · Contrast checker → · Palette generator →