#657AF0#657AF0

#657AF0 is a light, vivid blue. Relative luminance 0.230; OKLCH L 62.3% C 0.177 H 272.6°. Best body text is #000000 at 5.60:1 contrast (WCAG AA passes).

Color values

HEX	#657AF0
RGB	rgb(101, 122, 240)
HSL	hsl(231, 82%, 67%)
HSV	hsv(231, 58%, 94%)
CMYK	cmyk(57.9%, 49.2%, 0%, 5.9%)
CIE-LAB	lab(55.05, 26.65, -61.93)
CIE-LCH	lch(55.05, 67.42, 293.29°)
OKLab	oklab(62.26% 0.0082 -0.1771)
OKLCH	oklch(62.26% 0.177 272.6)
XYZ	xyz(28.0494, 22.9749, 85.3777)
Luminance	0.2298 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657AF0 #F0DB65

analogous

#65C0F0 #657AF0 #9665F0

triadic

#657AF0 #F0657A #7AF065

tetradic

#657AF0 #F065C0 #F0DB65 #65F096

square

#657AF0 #F065C0 #F0DB65 #65F096

split-complementary

#657AF0 #F09665 #C0F065

monochromatic

#132FC7 #2D4AEB #657AF0 #9DAAF5 #D5DAFB

Accessibility & contrast

On white

3.75

#657AF0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.60

#657AF0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657AF0

5.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657AF0	#FFFFFF	#000000	##000000
##657AF0	1.00	3.75	5.60	5.60
#FFFFFF	3.75	1.00	21.00	21.00
#000000	5.60	21.00	1.00	1.00
##000000	5.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D8AF4

Deuteranopia (green-blind)

#237EEE

Tritanopia (blue-blind)

#0095AA

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #657af0;
/* rgb */ color: rgb(101, 122, 240);
/* oklch */ color: oklch(62.3% 0.177 272.6);

Tailwind

colors: {
  custom: {
    50: '#9ca0f6',
    500: '#657af0',
    950: '#000000',
  },
}

SCSS

$custom: #657af0;
$custom-light: #9ca0f6;
$custom-dark: #000000;

JSON

{
  "hex": "#657af0",
  "rgb": {
    "r": 101,
    "g": 122,
    "b": 240
  },
  "hsl": {
    "h": 230.935,
    "s": 82.249,
    "l": 66.863
  },
  "oklch": {
    "l": 0.62255,
    "c": 0.17727,
    "h": 272.6
  },
  "luminance": 0.22977
}

Semantic roles & 50–950 ramp

primary

#657AF0

secondary

#EFE8C2

accent

#BE07DF

background

#FAF9FF

surface

#F4F2FE

border

#CECCD6

text

#0F0E17

muted

#7F7E85

Preview Lab

Preview with #657AF0

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

Preview Lab → · Contrast checker → · Palette generator →