#657CE4#657CE4

#657CE4 is a mid, vivid blue. Relative luminance 0.228; OKLCH L 61.9% C 0.158 H 271.7°. Best body text is #000000 at 5.56:1 contrast (WCAG AA passes).

Color values

HEX	#657CE4
RGB	rgb(101, 124, 228)
HSL	hsl(229, 70%, 65%)
HSV	hsv(229, 56%, 89%)
CMYK	cmyk(55.7%, 45.6%, 0%, 10.6%)
CIE-LAB	lab(54.85, 21.57, -55.56)
CIE-LCH	lch(54.85, 59.60, 291.22°)
OKLab	oklab(61.87% 0.0046 -0.1583)
OKLCH	oklch(61.87% 0.158 271.7)
XYZ	xyz(26.5735, 22.7815, 76.3807)
Luminance	0.2278 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657CE4 #E4CD65

analogous

#65BCE4 #657CE4 #8E65E4

triadic

#657CE4 #E4657C #7CE465

tetradic

#657CE4 #E465BC #E4CD65 #65E48E

square

#657CE4 #E465BC #E4CD65 #65E48E

split-complementary

#657CE4 #E48E65 #BCE465

monochromatic

#1F39B0 #3150DB #657CE4 #99A8ED #CDD5F6

Accessibility & contrast

On white

3.78

#657CE4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.56

#657CE4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657CE4

5.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657CE4	#FFFFFF	#000000	##000000
##657CE4	1.00	3.78	5.56	5.56
#FFFFFF	3.78	1.00	21.00	21.00
#000000	5.56	21.00	1.00	1.00
##000000	5.56	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C89E8

Deuteranopia (green-blind)

#3B7EE2

Tritanopia (blue-blind)

#1893A5

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #657ce4;
/* rgb */ color: rgb(101, 124, 228);
/* oklch */ color: oklch(61.9% 0.158 271.7);

Tailwind

colors: {
  custom: {
    50: '#9aa1ed',
    500: '#657ce4',
    950: '#000000',
  },
}

SCSS

$custom: #657ce4;
$custom-light: #9aa1ed;
$custom-dark: #000000;

JSON

{
  "hex": "#657ce4",
  "rgb": {
    "r": 101,
    "g": 124,
    "b": 228
  },
  "hsl": {
    "h": 229.134,
    "s": 70.166,
    "l": 64.51
  },
  "oklch": {
    "l": 0.61874,
    "c": 0.15839,
    "h": 271.7
  },
  "luminance": 0.22783
}

Semantic roles & 50–950 ramp

primary

#657CE4

secondary

#E8E0BC

accent

#B013D2

background

#FAF9FE

surface

#F3F2FD

border

#CDCCD5

text

#0F0E16

muted

#7F7E84

Preview Lab

Preview with #657CE4

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

Preview Lab → · Contrast checker → · Palette generator →