#657CE5#657CE5

#657CE5 is a mid, vivid blue. Relative luminance 0.228; OKLCH L 61.9% C 0.160 H 271.7°. Best body text is #000000 at 5.57:1 contrast (WCAG AA passes).

Color values

HEX	#657CE5
RGB	rgb(101, 124, 229)
HSL	hsl(229, 71%, 65%)
HSV	hsv(229, 56%, 90%)
CMYK	cmyk(55.9%, 45.9%, 0%, 10.2%)
CIE-LAB	lab(54.90, 21.89, -56.03)
CIE-LCH	lch(54.90, 60.15, 291.34°)
OKLab	oklab(61.94% 0.0048 -0.1597)
OKLCH	oklch(61.94% 0.16 271.7)
XYZ	xyz(26.7127, 22.8372, 77.1139)
Luminance	0.2284 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657CE5 #E5CE65

analogous

#65BCE5 #657CE5 #8E65E5

triadic

#657CE5 #E5657C #7CE565

tetradic

#657CE5 #E565BC #E5CE65 #65E58E

square

#657CE5 #E565BC #E5CE65 #65E58E

split-complementary

#657CE5 #E58E65 #BCE565

monochromatic

#1E39B2 #314FDC #657CE5 #99A9EE #CED5F7

Accessibility & contrast

On white

3.77

#657CE5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.57

#657CE5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657CE5

5.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657CE5	#FFFFFF	#000000	##000000
##657CE5	1.00	3.77	5.57	5.57
#FFFFFF	3.77	1.00	21.00	21.00
#000000	5.57	21.00	1.00	1.00
##000000	5.57	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C89E9

Deuteranopia (green-blind)

#3A7EE3

Tritanopia (blue-blind)

#1693A5

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #657ce5;
/* rgb */ color: rgb(101, 124, 229);
/* oklch */ color: oklch(61.9% 0.160 271.7);

Tailwind

colors: {
  custom: {
    50: '#9aa1ee',
    500: '#657ce5',
    950: '#000000',
  },
}

SCSS

$custom: #657ce5;
$custom-light: #9aa1ee;
$custom-dark: #000000;

JSON

{
  "hex": "#657ce5",
  "rgb": {
    "r": 101,
    "g": 124,
    "b": 229
  },
  "hsl": {
    "h": 229.219,
    "s": 71.111,
    "l": 64.706
  },
  "oklch": {
    "l": 0.61936,
    "c": 0.15977,
    "h": 271.7
  },
  "luminance": 0.22839
}

Semantic roles & 50–950 ramp

primary

#657CE5

secondary

#E9E1BD

accent

#B112D3

background

#FAF9FE

surface

#F3F2FD

border

#CDCCD5

text

#0F0E16

muted

#7F7E84

Preview Lab

Preview with #657CE5

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

Preview Lab → · Contrast checker → · Palette generator →