#657DD0#657DD0

#657DD0 is a mid, vivid blue. Relative luminance 0.220; OKLCH L 60.9% C 0.129 H 270.1°. Best body text is #000000 at 5.40:1 contrast (WCAG AA passes).

Color values

HEX	#657DD0
RGB	rgb(101, 125, 208)
HSL	hsl(227, 53%, 61%)
HSV	hsv(227, 51%, 82%)
CMYK	cmyk(51.4%, 39.9%, 0%, 18.4%)
CIE-LAB	lab(54.01, 14.61, -45.63)
CIE-LCH	lch(54.01, 47.91, 287.76°)
OKLab	oklab(60.88% 0.0001 -0.1292)
OKLCH	oklch(60.88% 0.129 270.1)
XYZ	xyz(24.0819, 21.9864, 62.6371)
Luminance	0.2199 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657DD0 #D0B865

analogous

#65B2D0 #657DD0 #8265D0

triadic

#657DD0 #D0657D #7DD065

tetradic

#657DD0 #D065B2 #D0B865 #65D082

square

#657DD0 #D065B2 #D0B865 #65D082

split-complementary

#657DD0 #D08265 #B2D065

monochromatic

#2C428F #3A58BE #657DD0 #94A5DE #C3CCED

Accessibility & contrast

On white

3.89

#657DD0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.40

#657DD0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657DD0

5.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657DD0	#FFFFFF	#000000	##000000
##657DD0	1.00	3.89	5.40	5.40
#FFFFFF	3.89	1.00	21.00	21.00
#000000	5.40	21.00	1.00	1.00
##000000	5.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C86D3

Deuteranopia (green-blind)

#507DCE

Tritanopia (blue-blind)

#348F9C

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #657dd0;
/* rgb */ color: rgb(101, 125, 208);
/* oklch */ color: oklch(60.9% 0.129 270.1);

Tailwind

colors: {
  custom: {
    50: '#97a2df',
    500: '#657dd0',
    950: '#000000',
  },
}

SCSS

$custom: #657dd0;
$custom-light: #97a2df;
$custom-dark: #000000;

JSON

{
  "hex": "#657dd0",
  "rgb": {
    "r": 101,
    "g": 125,
    "b": 208
  },
  "hsl": {
    "h": 226.542,
    "s": 53.234,
    "l": 60.588
  },
  "oklch": {
    "l": 0.60879,
    "c": 0.1292,
    "h": 270.1
  },
  "luminance": 0.21988
}

Semantic roles & 50–950 ramp

primary

#657DD0

secondary

#DDD4B4

accent

#9E25C1

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0E0F15

muted

#7E7E83

Preview Lab

Preview with #657DD0

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

Preview Lab → · Contrast checker → · Palette generator →