#657DF8#657DF8

#657DF8 is a light, vivid blue. Relative luminance 0.242; OKLCH L 63.4% C 0.184 H 271.9°. Best body text is #000000 at 5.84:1 contrast (WCAG AA passes).

Color values

HEX	#657DF8
RGB	rgb(101, 125, 248)
HSL	hsl(230, 91%, 68%)
HSV	hsv(230, 59%, 97%)
CMYK	cmyk(59.3%, 49.6%, 0%, 2.7%)
CIE-LAB	lab(56.30, 27.44, -64.36)
CIE-LCH	lch(56.30, 69.96, 293.09°)
OKLab	oklab(63.36% 0.006 -0.1842)
OKLCH	oklch(63.36% 0.184 271.9)
XYZ	xyz(29.6381, 24.2089, 91.8997)
Luminance	0.2421 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657DF8 #F8E065

analogous

#65C6F8 #657DF8 #9665F8

triadic

#657DF8 #F8657D #7DF865

tetradic

#657DF8 #F865C6 #F8E065 #65F896

square

#657DF8 #F865C6 #F8E065 #65F896

split-complementary

#657DF8 #F89665 #C6F865

monochromatic

#0A2CD9 #2A4CF5 #657DF8 #A0AEFB #DAE0FD

Accessibility & contrast

On white

3.59

#657DF8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.84

#657DF8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657DF8

5.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657DF8	#FFFFFF	#000000	##000000
##657DF8	1.00	3.59	5.84	5.84
#FFFFFF	3.59	1.00	21.00	21.00
#000000	5.84	21.00	1.00	1.00
##000000	5.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B8EFC

Deuteranopia (green-blind)

#1A81F5

Tritanopia (blue-blind)

#0099AF

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #657df8;
/* rgb */ color: rgb(101, 125, 248);
/* oklch */ color: oklch(63.4% 0.184 271.9);

Tailwind

colors: {
  custom: {
    50: '#9da2fb',
    500: '#657df8',
    950: '#000000',
  },
}

SCSS

$custom: #657df8;
$custom-light: #9da2fb;
$custom-dark: #000000;

JSON

{
  "hex": "#657df8",
  "rgb": {
    "r": 101,
    "g": 125,
    "b": 248
  },
  "hsl": {
    "h": 230.204,
    "s": 91.304,
    "l": 68.431
  },
  "oklch": {
    "l": 0.63359,
    "c": 0.18429,
    "h": 271.9
  },
  "luminance": 0.24211
}

Semantic roles & 50–950 ramp

primary

#657DF8

secondary

#F3EBC6

accent

#C000E6

background

#FAF9FF

surface

#F4F2FF

border

#CECCD7

text

#0F0F17

muted

#7F7E85

Preview Lab

Preview with #657DF8

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

Preview Lab → · Contrast checker → · Palette generator →