#657DF4#657DF4

#657DF4 is a light, vivid blue. Relative luminance 0.240; OKLCH L 63.1% C 0.179 H 271.8°. Best body text is #000000 at 5.79:1 contrast (WCAG AA passes).

Color values

HEX	#657DF4
RGB	rgb(101, 125, 244)
HSL	hsl(230, 87%, 68%)
HSV	hsv(230, 59%, 96%)
CMYK	cmyk(58.6%, 48.8%, 0%, 4.3%)
CIE-LAB	lab(56.05, 26.14, -62.54)
CIE-LCH	lch(56.05, 67.78, 292.68°)
OKLab	oklab(63.09% 0.0056 -0.1788)
OKLCH	oklch(63.09% 0.179 271.8)
XYZ	xyz(29.0242, 23.9633, 88.6663)
Luminance	0.2397 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657DF4 #F4DC65

analogous

#65C5F4 #657DF4 #9465F4

triadic

#657DF4 #F4657D #7DF465

tetradic

#657DF4 #F465C5 #F4DC65 #65F494

square

#657DF4 #F465C5 #F4DC65 #65F494

split-complementary

#657DF4 #F49465 #C5F465

monochromatic

#0F2FD0 #2C4DF0 #657DF4 #9EADF8 #D7DDFC

Accessibility & contrast

On white

3.62

#657DF4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.79

#657DF4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657DF4

5.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657DF4	#FFFFFF	#000000	##000000
##657DF4	1.00	3.62	5.79	5.79
#FFFFFF	3.62	1.00	21.00	21.00
#000000	5.79	21.00	1.00	1.00
##000000	5.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F8DF8

Deuteranopia (green-blind)

#2580F2

Tritanopia (blue-blind)

#0098AD

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #657df4;
/* rgb */ color: rgb(101, 125, 244);
/* oklch */ color: oklch(63.1% 0.179 271.8);

Tailwind

colors: {
  custom: {
    50: '#9ca2f8',
    500: '#657df4',
    950: '#000000',
  },
}

SCSS

$custom: #657df4;
$custom-light: #9ca2f8;
$custom-dark: #000000;

JSON

{
  "hex": "#657df4",
  "rgb": {
    "r": 101,
    "g": 125,
    "b": 244
  },
  "hsl": {
    "h": 229.93,
    "s": 86.667,
    "l": 67.647
  },
  "oklch": {
    "l": 0.63094,
    "c": 0.17892,
    "h": 271.8
  },
  "luminance": 0.23966
}

Semantic roles & 50–950 ramp

primary

#657DF4

secondary

#F1E9C4

accent

#BD02E3

background

#FAF9FF

surface

#F4F2FF

border

#CECCD7

text

#0F0F17

muted

#7F7E85

Preview Lab

Preview with #657DF4

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

Preview Lab → · Contrast checker → · Palette generator →