#657CF1#657CF1

#657CF1 is a light, vivid blue. Relative luminance 0.235; OKLCH L 62.7% C 0.176 H 272.0°. Best body text is #000000 at 5.71:1 contrast (WCAG AA passes).

Color values

HEX	#657CF1
RGB	rgb(101, 124, 241)
HSL	hsl(230, 83%, 67%)
HSV	hsv(230, 58%, 95%)
CMYK	cmyk(58.1%, 48.5%, 0%, 5.5%)
CIE-LAB	lab(55.61, 25.77, -61.58)
CIE-LCH	lch(55.61, 66.75, 292.71°)
OKLab	oklab(62.71% 0.0063 -0.176)
OKLCH	oklch(62.71% 0.176 272)
XYZ	xyz(28.4464, 23.5307, 86.2449)
Luminance	0.2353 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657CF1 #F1DA65

analogous

#65C2F1 #657CF1 #9465F1

triadic

#657CF1 #F1657C #7CF165

tetradic

#657CF1 #F165C2 #F1DA65 #65F194

square

#657CF1 #F165C2 #F1DA65 #65F194

split-complementary

#657CF1 #F19465 #C2F165

monochromatic

#1230C9 #2D4CEC #657CF1 #9DACF6 #D5DBFB

Accessibility & contrast

On white

3.68

#657CF1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.71

#657CF1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657CF1

5.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657CF1	#FFFFFF	#000000	##000000
##657CF1	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)

#408CF5

Deuteranopia (green-blind)

#277FEF

Tritanopia (blue-blind)

#0097AB

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #657cf1;
/* rgb */ color: rgb(101, 124, 241);
/* oklch */ color: oklch(62.7% 0.176 272.0);

Tailwind

colors: {
  custom: {
    50: '#9ca1f6',
    500: '#657cf1',
    950: '#000000',
  },
}

SCSS

$custom: #657cf1;
$custom-light: #9ca1f6;
$custom-dark: #000000;

JSON

{
  "hex": "#657cf1",
  "rgb": {
    "r": 101,
    "g": 124,
    "b": 241
  },
  "hsl": {
    "h": 230.143,
    "s": 83.333,
    "l": 67.059
  },
  "oklch": {
    "l": 0.62705,
    "c": 0.17612,
    "h": 272
  },
  "luminance": 0.23533
}

Semantic roles & 50–950 ramp

primary

#657CF1

secondary

#EFE8C3

accent

#BC06E0

background

#FAF9FF

surface

#F4F2FF

border

#CECCD7

text

#0F0E17

muted

#7F7E85

Preview Lab

Preview with #657CF1

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

Preview Lab → · Contrast checker → · Palette generator →