#657EF8#657EF8

#657EF8 is a light, vivid blue. Relative luminance 0.245; OKLCH L 63.5% C 0.183 H 271.6°. Best body text is #000000 at 5.89:1 contrast (WCAG AA passes).

Color values

HEX	#657EF8
RGB	rgb(101, 126, 248)
HSL	hsl(230, 91%, 68%)
HSV	hsv(230, 59%, 97%)
CMYK	cmyk(59.3%, 49.2%, 0%, 2.7%)
CIE-LAB	lab(56.55, 26.83, -63.95)
CIE-LCH	lch(56.55, 69.35, 292.76°)
OKLab	oklab(63.55% 0.005 -0.183)
OKLCH	oklch(63.55% 0.183 271.6)
XYZ	xyz(29.7653, 24.4633, 91.9421)
Luminance	0.2447 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657EF8 #F8DF65

analogous

#65C7F8 #657EF8 #9565F8

triadic

#657EF8 #F8657E #7EF865

tetradic

#657EF8 #F865C7 #F8DF65 #65F895

square

#657EF8 #F865C7 #F8DF65 #65F895

split-complementary

#657EF8 #F89565 #C7F865

monochromatic

#0A2DD9 #2A4DF5 #657EF8 #A0AFFB #DAE0FD

Accessibility & contrast

On white

3.56

#657EF8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.89

#657EF8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657EF8

5.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657EF8	#FFFFFF	#000000	##000000
##657EF8	1.00	3.56	5.89	5.89
#FFFFFF	3.56	1.00	21.00	21.00
#000000	5.89	21.00	1.00	1.00
##000000	5.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D8EFC

Deuteranopia (green-blind)

#1F81F5

Tritanopia (blue-blind)

#009AAF

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #657ef8;
/* rgb */ color: rgb(101, 126, 248);
/* oklch */ color: oklch(63.5% 0.183 271.6);

Tailwind

colors: {
  custom: {
    50: '#9da3fb',
    500: '#657ef8',
    950: '#000000',
  },
}

SCSS

$custom: #657ef8;
$custom-light: #9da3fb;
$custom-dark: #000000;

JSON

{
  "hex": "#657ef8",
  "rgb": {
    "r": 101,
    "g": 126,
    "b": 248
  },
  "hsl": {
    "h": 229.796,
    "s": 91.304,
    "l": 68.431
  },
  "oklch": {
    "l": 0.6355,
    "c": 0.18305,
    "h": 271.6
  },
  "luminance": 0.24466
}

Semantic roles & 50–950 ramp

primary

#657EF8

secondary

#F3EBC6

accent

#BE00E6

background

#FAFAFF

surface

#F4F3FF

border

#CECDD7

text

#0F0F17

muted

#7F7F85

Preview Lab

Preview with #657EF8

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

Preview Lab → · Contrast checker → · Palette generator →