#657EF4#657EF4

#657EF4 is a light, vivid blue. Relative luminance 0.242; OKLCH L 63.3% C 0.178 H 271.5°. Best body text is #000000 at 5.84:1 contrast (WCAG AA passes).

Color values

HEX	#657EF4
RGB	rgb(101, 126, 244)
HSL	hsl(230, 87%, 68%)
HSV	hsv(230, 59%, 96%)
CMYK	cmyk(58.6%, 48.4%, 0%, 4.3%)
CIE-LAB	lab(56.31, 25.53, -62.13)
CIE-LCH	lch(56.31, 67.17, 292.34°)
OKLab	oklab(63.29% 0.0046 -0.1776)
OKLCH	oklch(63.29% 0.178 271.5)
XYZ	xyz(29.1514, 24.2178, 88.7087)
Luminance	0.2422 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657EF4 #F4DB65

analogous

#65C6F4 #657EF4 #9365F4

triadic

#657EF4 #F4657E #7EF465

tetradic

#657EF4 #F465C6 #F4DB65 #65F493

square

#657EF4 #F465C6 #F4DB65 #65F493

split-complementary

#657EF4 #F49365 #C6F465

monochromatic

#0F31D0 #2C4EF0 #657EF4 #9EAEF8 #D7DEFC

Accessibility & contrast

On white

3.59

#657EF4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.84

#657EF4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657EF4

5.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657EF4	#FFFFFF	#000000	##000000
##657EF4	1.00	3.59	5.84	5.84
#FFFFFF	3.59	1.00	21.00	21.00
#000000	5.84	21.00	1.00	1.00
##000000	5.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#428EF8

Deuteranopia (green-blind)

#2881F2

Tritanopia (blue-blind)

#0099AD

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #657ef4;
/* rgb */ color: rgb(101, 126, 244);
/* oklch */ color: oklch(63.3% 0.178 271.5);

Tailwind

colors: {
  custom: {
    50: '#9ca3f8',
    500: '#657ef4',
    950: '#000000',
  },
}

SCSS

$custom: #657ef4;
$custom-light: #9ca3f8;
$custom-dark: #000000;

JSON

{
  "hex": "#657ef4",
  "rgb": {
    "r": 101,
    "g": 126,
    "b": 244
  },
  "hsl": {
    "h": 229.51,
    "s": 86.667,
    "l": 67.647
  },
  "oklch": {
    "l": 0.63287,
    "c": 0.17768,
    "h": 271.5
  },
  "luminance": 0.2422
}

Semantic roles & 50–950 ramp

primary

#657EF4

secondary

#F1E9C4

accent

#BC02E3

background

#FAFAFF

surface

#F4F3FF

border

#CECDD7

text

#0F0F17

muted

#7F7F85

Preview Lab

Preview with #657EF4

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

Preview Lab → · Contrast checker → · Palette generator →