#657BF0#657BF0

#657BF0 is a light, vivid blue. Relative luminance 0.232; OKLCH L 62.4% C 0.176 H 272.3°. Best body text is #000000 at 5.64:1 contrast (WCAG AA passes).

Color values

HEX	#657BF0
RGB	rgb(101, 123, 240)
HSL	hsl(231, 82%, 67%)
HSV	hsv(231, 58%, 94%)
CMYK	cmyk(57.9%, 48.7%, 0%, 5.9%)
CIE-LAB	lab(55.30, 26.05, -61.53)
CIE-LCH	lch(55.30, 66.81, 292.95°)
OKLab	oklab(62.45% 0.0072 -0.1759)
OKLCH	oklch(62.45% 0.176 272.3)
XYZ	xyz(28.1728, 23.2217, 85.4188)
Luminance	0.2322 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657BF0 #F0DA65

analogous

#65C0F0 #657BF0 #9565F0

triadic

#657BF0 #F0657B #7BF065

tetradic

#657BF0 #F065C0 #F0DA65 #65F095

square

#657BF0 #F065C0 #F0DA65 #65F095

split-complementary

#657BF0 #F09565 #C0F065

monochromatic

#1330C7 #2D4BEB #657BF0 #9DABF5 #D5DBFB

Accessibility & contrast

On white

3.72

#657BF0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.64

#657BF0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657BF0

5.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657BF0	#FFFFFF	#000000	##000000
##657BF0	1.00	3.72	5.64	5.64
#FFFFFF	3.72	1.00	21.00	21.00
#000000	5.64	21.00	1.00	1.00
##000000	5.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F8BF4

Deuteranopia (green-blind)

#267FEE

Tritanopia (blue-blind)

#0096AA

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #657bf0;
/* rgb */ color: rgb(101, 123, 240);
/* oklch */ color: oklch(62.4% 0.176 272.3);

Tailwind

colors: {
  custom: {
    50: '#9ca0f6',
    500: '#657bf0',
    950: '#000000',
  },
}

SCSS

$custom: #657bf0;
$custom-light: #9ca0f6;
$custom-dark: #000000;

JSON

{
  "hex": "#657bf0",
  "rgb": {
    "r": 101,
    "g": 123,
    "b": 240
  },
  "hsl": {
    "h": 230.504,
    "s": 82.249,
    "l": 66.863
  },
  "oklch": {
    "l": 0.62447,
    "c": 0.17602,
    "h": 272.3
  },
  "luminance": 0.23224
}

Semantic roles & 50–950 ramp

primary

#657BF0

secondary

#EFE8C2

accent

#BC07DF

background

#FAF9FF

surface

#F4F2FE

border

#CECCD6

text

#0F0E17

muted

#7F7E85

Preview Lab

Preview with #657BF0

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

Preview Lab → · Contrast checker → · Palette generator →