#657BD0#657BD0

#657BD0 is a mid, vivid blue. Relative luminance 0.215; OKLCH L 60.5% C 0.132 H 271.1°. Best body text is #000000 at 5.30:1 contrast (WCAG AA passes).

Color values

HEX	#657BD0
RGB	rgb(101, 123, 208)
HSL	hsl(228, 53%, 61%)
HSV	hsv(228, 51%, 82%)
CMYK	cmyk(51.4%, 40.9%, 0%, 18.4%)
CIE-LAB	lab(53.48, 15.82, -46.48)
CIE-LCH	lch(53.48, 49.09, 288.80°)
OKLab	oklab(60.47% 0.0025 -0.1317)
OKLCH	oklch(60.47% 0.132 271.1)
XYZ	xyz(23.8313, 21.4851, 62.5535)
Luminance	0.2149 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657BD0 #D0BA65

analogous

#65B0D0 #657BD0 #8465D0

triadic

#657BD0 #D0657B #7BD065

tetradic

#657BD0 #D065B0 #D0BA65 #65D084

square

#657BD0 #D065B0 #D0BA65 #65D084

split-complementary

#657BD0 #D08465 #B0D065

monochromatic

#2C408F #3A55BE #657BD0 #94A3DE #C3CBED

Accessibility & contrast

On white

3.96

#657BD0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.30

#657BD0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657BD0

5.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657BD0	#FFFFFF	#000000	##000000
##657BD0	1.00	3.96	5.30	5.30
#FFFFFF	3.96	1.00	21.00	21.00
#000000	5.30	21.00	1.00	1.00
##000000	5.30	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5985D3

Deuteranopia (green-blind)

#4D7BCE

Tritanopia (blue-blind)

#358D9B

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #657bd0;
/* rgb */ color: rgb(101, 123, 208);
/* oklch */ color: oklch(60.5% 0.132 271.1);

Tailwind

colors: {
  custom: {
    50: '#97a0df',
    500: '#657bd0',
    950: '#000000',
  },
}

SCSS

$custom: #657bd0;
$custom-light: #97a0df;
$custom-dark: #000000;

JSON

{
  "hex": "#657bd0",
  "rgb": {
    "r": 101,
    "g": 123,
    "b": 208
  },
  "hsl": {
    "h": 227.664,
    "s": 53.234,
    "l": 60.588
  },
  "oklch": {
    "l": 0.60467,
    "c": 0.13172,
    "h": 271.1
  },
  "luminance": 0.21487
}

Semantic roles & 50–950 ramp

primary

#657BD0

secondary

#DDD4B4

accent

#A125C1

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0E0E15

muted

#7E7E83

Preview Lab

Preview with #657BD0

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

Preview Lab → · Contrast checker → · Palette generator →