#657CF0#657CF0

#657CF0 is a light, vivid blue. Relative luminance 0.235; OKLCH L 62.6% C 0.175 H 272.0°. Best body text is #000000 at 5.69:1 contrast (WCAG AA passes).

Color values

HEX	#657CF0
RGB	rgb(101, 124, 240)
HSL	hsl(230, 82%, 67%)
HSV	hsv(230, 58%, 94%)
CMYK	cmyk(57.9%, 48.3%, 0%, 5.9%)
CIE-LAB	lab(55.55, 25.44, -61.12)
CIE-LCH	lch(55.55, 66.20, 292.60°)
OKLab	oklab(62.64% 0.0062 -0.1747)
OKLCH	oklch(62.64% 0.175 272)
XYZ	xyz(28.2975, 23.4711, 85.4604)
Luminance	0.2347 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657CF0 #F0D965

analogous

#65C2F0 #657CF0 #9465F0

triadic

#657CF0 #F0657C #7CF065

tetradic

#657CF0 #F065C2 #F0D965 #65F094

square

#657CF0 #F065C2 #F0D965 #65F094

split-complementary

#657CF0 #F09465 #C2F065

monochromatic

#1331C7 #2D4DEB #657CF0 #9DABF5 #D5DBFB

Accessibility & contrast

On white

3.69

#657CF0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.69

#657CF0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657CF0

5.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657CF0	#FFFFFF	#000000	##000000
##657CF0	1.00	3.69	5.69	5.69
#FFFFFF	3.69	1.00	21.00	21.00
#000000	5.69	21.00	1.00	1.00
##000000	5.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#418BF4

Deuteranopia (green-blind)

#297FEE

Tritanopia (blue-blind)

#0096AB

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #657cf0;
/* rgb */ color: rgb(101, 124, 240);
/* oklch */ color: oklch(62.6% 0.175 272.0);

Tailwind

colors: {
  custom: {
    50: '#9ca1f6',
    500: '#657cf0',
    950: '#000000',
  },
}

SCSS

$custom: #657cf0;
$custom-light: #9ca1f6;
$custom-dark: #000000;

JSON

{
  "hex": "#657cf0",
  "rgb": {
    "r": 101,
    "g": 124,
    "b": 240
  },
  "hsl": {
    "h": 230.072,
    "s": 82.249,
    "l": 66.863
  },
  "oklch": {
    "l": 0.6264,
    "c": 0.17477,
    "h": 272
  },
  "luminance": 0.23473
}

Semantic roles & 50–950 ramp

primary

#657CF0

secondary

#EFE7C2

accent

#BB07DF

background

#FAF9FF

surface

#F4F2FE

border

#CECCD6

text

#0F0E17

muted

#7F7E85

Preview Lab

Preview with #657CF0

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

Preview Lab → · Contrast checker → · Palette generator →