#657CF3#657CF3

#657CF3 is a light, vivid blue. Relative luminance 0.237; OKLCH L 62.8% C 0.179 H 272.1°. Best body text is #000000 at 5.73:1 contrast (WCAG AA passes).

Color values

HEX	#657CF3
RGB	rgb(101, 124, 243)
HSL	hsl(230, 86%, 67%)
HSV	hsv(230, 58%, 95%)
CMYK	cmyk(58.4%, 49%, 0%, 4.7%)
CIE-LAB	lab(55.74, 26.42, -62.49)
CIE-LCH	lch(55.74, 67.84, 292.91°)
OKLab	oklab(62.84% 0.0065 -0.1787)
OKLCH	oklch(62.84% 0.179 272.1)
XYZ	xyz(28.7468, 23.6508, 87.8268)
Luminance	0.2365 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657CF3 #F3DC65

analogous

#65C3F3 #657CF3 #9565F3

triadic

#657CF3 #F3657C #7CF365

tetradic

#657CF3 #F365C3 #F3DC65 #65F395

square

#657CF3 #F365C3 #F3DC65 #65F395

split-complementary

#657CF3 #F39565 #C3F365

monochromatic

#102FCE #2C4CEF #657CF3 #9EACF7 #D7DDFC

Accessibility & contrast

On white

3.66

#657CF3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.73

#657CF3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657CF3

5.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657CF3	#FFFFFF	#000000	##000000
##657CF3	1.00	3.66	5.73	5.73
#FFFFFF	3.66	1.00	21.00	21.00
#000000	5.73	21.00	1.00	1.00
##000000	5.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E8CF7

Deuteranopia (green-blind)

#2380F1

Tritanopia (blue-blind)

#0097AC

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #657cf3;
/* rgb */ color: rgb(101, 124, 243);
/* oklch */ color: oklch(62.8% 0.179 272.1);

Tailwind

colors: {
  custom: {
    50: '#9ca1f8',
    500: '#657cf3',
    950: '#000000',
  },
}

SCSS

$custom: #657cf3;
$custom-light: #9ca1f8;
$custom-dark: #000000;

JSON

{
  "hex": "#657cf3",
  "rgb": {
    "r": 101,
    "g": 124,
    "b": 243
  },
  "hsl": {
    "h": 230.282,
    "s": 85.542,
    "l": 67.451
  },
  "oklch": {
    "l": 0.62837,
    "c": 0.17882,
    "h": 272.1
  },
  "luminance": 0.23653
}

Semantic roles & 50–950 ramp

primary

#657CF3

secondary

#F0E9C4

accent

#BE03E2

background

#FAF9FF

surface

#F4F2FF

border

#CECCD7

text

#0F0E17

muted

#7F7E85

Preview Lab

Preview with #657CF3

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

Preview Lab → · Contrast checker → · Palette generator →