#657CB8#657CB8

#657CB8 is a mid, moderate blue. Relative luminance 0.206; OKLCH L 59.4% C 0.096 H 267.5°. Best body text is #000000 at 5.13:1 contrast (WCAG AA passes).

Color values

HEX	#657CB8
RGB	rgb(101, 124, 184)
HSL	hsl(223, 37%, 56%)
HSV	hsv(223, 45%, 72%)
CMYK	cmyk(45.1%, 32.6%, 0%, 27.8%)
CIE-LAB	lab(52.55, 7.84, -34.23)
CIE-LCH	lch(52.55, 35.12, 282.91°)
OKLab	oklab(59.37% -0.0043 -0.096)
OKLCH	oklch(59.37% 0.096 267.5)
XYZ	xyz(21.2235, 20.6415, 48.2040)
Luminance	0.2064 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657CB8 #B8A165

analogous

#65A6B8 #657CB8 #7765B8

triadic

#657CB8 #B8657C #7CB865

tetradic

#657CB8 #B865A6 #B8A165 #65B877

square

#657CB8 #B865A6 #B8A165 #65B877

split-complementary

#657CB8 #B87765 #A6B865

monochromatic

#33446F #475D99 #657CB8 #8FA0CB #B9C3DF

Accessibility & contrast

On white

4.09

#657CB8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.13

#657CB8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657CB8

5.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657CB8	#FFFFFF	#000000	##000000
##657CB8	1.00	4.09	5.13	5.13
#FFFFFF	4.09	1.00	21.00	21.00
#000000	5.13	21.00	1.00	1.00
##000000	5.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6681BB

Deuteranopia (green-blind)

#5E7AB7

Tritanopia (blue-blind)

#478892

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #657cb8;
/* rgb */ color: rgb(101, 124, 184);
/* oklch */ color: oklch(59.4% 0.096 267.5);

Tailwind

colors: {
  custom: {
    50: '#95a1cd',
    500: '#657cb8',
    950: '#000000',
  },
}

SCSS

$custom: #657cb8;
$custom-light: #95a1cd;
$custom-dark: #000000;

JSON

{
  "hex": "#657cb8",
  "rgb": {
    "r": 101,
    "g": 124,
    "b": 184
  },
  "hsl": {
    "h": 223.373,
    "s": 36.889,
    "l": 55.882
  },
  "oklch": {
    "l": 0.59365,
    "c": 0.09612,
    "h": 267.5
  },
  "luminance": 0.20643
}

Semantic roles & 50–950 ramp

primary

#657CB8

secondary

#CEC4AB

accent

#AD5BCD

background

#F9F9FC

surface

#F2F2F9

border

#CCCCD2

text

#0D0F13

muted

#7E7E82

Preview Lab

Preview with #657CB8

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

Preview Lab → · Contrast checker → · Palette generator →