#657FE4#657FE4

#657FE4 is a light, vivid blue. Relative luminance 0.235; OKLCH L 62.5% C 0.155 H 270.5°. Best body text is #000000 at 5.71:1 contrast (WCAG AA passes).

Color values

HEX	#657FE4
RGB	rgb(101, 127, 228)
HSL	hsl(228, 70%, 65%)
HSV	hsv(228, 56%, 89%)
CMYK	cmyk(55.7%, 44.3%, 0%, 10.6%)
CIE-LAB	lab(55.63, 19.76, -54.31)
CIE-LCH	lch(55.63, 57.79, 289.99°)
OKLab	oklab(62.47% 0.0014 -0.1546)
OKLCH	oklch(62.47% 0.155 270.5)
XYZ	xyz(26.9552, 23.5449, 76.5079)
Luminance	0.2355 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657FE4 #E4CA65

analogous

#65BEE4 #657FE4 #8B65E4

triadic

#657FE4 #E4657F #7FE465

tetradic

#657FE4 #E465BE #E4CA65 #65E48B

square

#657FE4 #E465BE #E4CA65 #65E48B

split-complementary

#657FE4 #E48B65 #BEE465

monochromatic

#1F3CB0 #3154DB #657FE4 #99AAED #CDD6F6

Accessibility & contrast

On white

3.68

#657FE4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.71

#657FE4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657FE4

5.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657FE4	#FFFFFF	#000000	##000000
##657FE4	1.00	3.68	5.71	5.71
#FFFFFF	3.68	1.00	21.00	21.00
#000000	5.71	21.00	1.00	1.00
##000000	5.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#528BE8

Deuteranopia (green-blind)

#4180E2

Tritanopia (blue-blind)

#1795A6

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #657fe4;
/* rgb */ color: rgb(101, 127, 228);
/* oklch */ color: oklch(62.5% 0.155 270.5);

Tailwind

colors: {
  custom: {
    50: '#9aa3ed',
    500: '#657fe4',
    950: '#000000',
  },
}

SCSS

$custom: #657fe4;
$custom-light: #9aa3ed;
$custom-dark: #000000;

JSON

{
  "hex": "#657fe4",
  "rgb": {
    "r": 101,
    "g": 127,
    "b": 228
  },
  "hsl": {
    "h": 227.717,
    "s": 70.166,
    "l": 64.51
  },
  "oklch": {
    "l": 0.62471,
    "c": 0.15463,
    "h": 270.5
  },
  "luminance": 0.23547
}

Semantic roles & 50–950 ramp

primary

#657FE4

secondary

#E8DFBC

accent

#AB13D2

background

#FAFAFE

surface

#F3F3FD

border

#CDCDD5

text

#0F0F16

muted

#7F7F84

Preview Lab

Preview with #657FE4

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

Preview Lab → · Contrast checker → · Palette generator →