#657B8A#657B8A

#657B8A is a mid, muted cyan. Relative luminance 0.188; OKLCH L 57.1% C 0.035 H 238.0°. Best body text is #000000 at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#657B8A
RGB	rgb(101, 123, 138)
HSL	hsl(204, 15%, 47%)
HSV	hsv(204, 27%, 54%)
CMYK	cmyk(26.8%, 10.9%, 0%, 45.9%)
CIE-LAB	lab(50.41, -4.35, -10.78)
CIE-LCH	lch(50.41, 11.62, 248.00°)
OKLab	oklab(57.08% -0.0184 -0.0294)
OKLCH	oklch(57.08% 0.035 238)
XYZ	xyz(17.0359, 18.7670, 26.7646)
Luminance	0.1877 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657B8A #8A7465

analogous

#658A87 #657B8A #65698A

triadic

#657B8A #8A657B #7B8A65

tetradic

#657B8A #87658A #8A7465 #698A65

square

#657B8A #87658A #8A7465 #698A65

split-complementary

#657B8A #8A6569 #8A8765

monochromatic

#313C43 #4B5C67 #657B8A #8699A6 #A9B7C0

Accessibility & contrast

On white

4.42

#657B8A on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.75

#657B8A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657B8A

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657B8A	#FFFFFF	#000000	##000000
##657B8A	1.00	4.42	4.75	4.75
#FFFFFF	4.42	1.00	21.00	21.00
#000000	4.75	21.00	1.00	1.00
##000000	4.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#747A8B

Deuteranopia (green-blind)

#6F768A

Tritanopia (blue-blind)

#5A7F80

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #657b8a;
/* rgb */ color: rgb(101, 123, 138);
/* oklch */ color: oklch(57.1% 0.035 238.0);

Tailwind

colors: {
  custom: {
    50: '#91a1ac',
    500: '#657b8a',
    950: '#000000',
  },
}

SCSS

$custom: #657b8a;
$custom-light: #91a1ac;
$custom-dark: #000000;

JSON

{
  "hex": "#657b8a",
  "rgb": {
    "r": 101,
    "g": 123,
    "b": 138
  },
  "hsl": {
    "h": 204.324,
    "s": 15.481,
    "l": 46.863
  },
  "oklch": {
    "l": 0.57077,
    "c": 0.03466,
    "h": 238
  },
  "luminance": 0.18768
}

Semantic roles & 50–950 ramp

primary

#657B8A

secondary

#AFA49C

accent

#8D70B8

background

#F9F9FA

surface

#F1F2F4

border

#CBCCCE

text

#0D0E10

muted

#7E7E7F

Preview Lab

Preview with #657B8A

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

Preview Lab → · Contrast checker → · Palette generator →