#6457FB#6457FB

#6457FB is a mid, highly saturated blue. Relative luminance 0.165; OKLCH L 57.0% C 0.234 H 279.5°. Best body text is #FFFFFF at 4.89:1 contrast (WCAG AA passes).

Color values

HEX	#6457FB
RGB	rgb(100, 87, 251)
HSL	hsl(245, 95%, 66%)
HSV	hsv(245, 65%, 98%)
CMYK	cmyk(60.2%, 65.3%, 0%, 1.6%)
CIE-LAB	lab(47.61, 50.69, -80.13)
CIE-LCH	lch(47.61, 94.82, 302.32°)
OKLab	oklab(56.97% 0.0386 -0.2308)
OKLCH	oklch(56.97% 0.234 279.5)
XYZ	xyz(26.0708, 16.4888, 93.0569)
Luminance	0.1649 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6457FB #EEFB57

analogous

#579CFB #6457FB #B657FB

triadic

#6457FB #FB6457 #57FB64

tetradic

#6457FB #FB579C #EEFB57 #57FBB6

square

#6457FB #FB579C #EEFB57 #57FBB6

split-complementary

#6457FB #FBB657 #9CFB57

monochromatic

#1505D3 #2D1BFA #6457FB #9B93FC #D2CFFE

Accessibility & contrast

On white

4.89

#6457FB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.30

#6457FB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6457FB

4.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6457FB	#FFFFFF	#000000	##FFFFFF
##6457FB	1.00	4.89	4.30	4.89
#FFFFFF	4.89	1.00	21.00	1.00
#000000	4.30	21.00	1.00	21.00
##FFFFFF	4.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0077FF

Deuteranopia (green-blind)

#006AF8

Tritanopia (blue-blind)

#0081A2

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #6457fb;
/* rgb */ color: rgb(100, 87, 251);
/* oklch */ color: oklch(57.0% 0.234 279.5);

Tailwind

colors: {
  custom: {
    50: '#9f88fe',
    500: '#6457fb',
    950: '#000000',
  },
}

SCSS

$custom: #6457fb;
$custom-light: #9f88fe;
$custom-dark: #000000;

JSON

{
  "hex": "#6457fb",
  "rgb": {
    "r": 100,
    "g": 87,
    "b": 251
  },
  "hsl": {
    "h": 244.756,
    "s": 95.349,
    "l": 66.275
  },
  "oklch": {
    "l": 0.5697,
    "c": 0.23405,
    "h": 279.5
  },
  "luminance": 0.16491
}

Semantic roles & 50–950 ramp

primary

#6457FB

secondary

#EDF2BC

accent

#E600D3

background

#FAF8FF

surface

#F4F0FF

border

#CECBD7

text

#100B18

muted

#7F7C86

Preview Lab

Preview with #6457FB

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

Preview Lab → · Contrast checker → · Palette generator →