#657C8F#657C8F

#657C8F is a mid, muted cyan. Relative luminance 0.192; OKLCH L 57.5% C 0.040 H 243.4°. Best body text is #000000 at 4.83:1 contrast (WCAG AA passes).

Color values

HEX	#657C8F
RGB	rgb(101, 124, 143)
HSL	hsl(207, 17%, 48%)
HSV	hsv(207, 29%, 56%)
CMYK	cmyk(29.4%, 13.3%, 0%, 43.9%)
CIE-LAB	lab(50.88, -3.66, -13.01)
CIE-LCH	lch(50.88, 13.51, 254.30°)
OKLab	oklab(57.5% -0.0178 -0.0356)
OKLCH	oklch(57.5% 0.04 243.4)
XYZ	xyz(17.5309, 19.1645, 28.7567)
Luminance	0.1916 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657C8F #8F7865

analogous

#658F8D #657C8F #65678F

triadic

#657C8F #8F657C #7C8F65

tetradic

#657C8F #8D658F #8F7865 #678F65

square

#657C8F #8D658F #8F7865 #678F65

split-complementary

#657C8F #8F6567 #8F8D65

monochromatic

#323E47 #4C5D6B #657C8F #879AAA #ABB8C4

Accessibility & contrast

On white

4.35

#657C8F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.83

#657C8F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657C8F

4.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657C8F	#FFFFFF	#000000	##000000
##657C8F	1.00	4.35	4.83	4.83
#FFFFFF	4.35	1.00	21.00	21.00
#000000	4.83	21.00	1.00	1.00
##000000	4.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#747C90

Deuteranopia (green-blind)

#6F778F

Tritanopia (blue-blind)

#598182

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #657c8f;
/* rgb */ color: rgb(101, 124, 143);
/* oklch */ color: oklch(57.5% 0.040 243.4);

Tailwind

colors: {
  custom: {
    50: '#92a1af',
    500: '#657c8f',
    950: '#000000',
  },
}

SCSS

$custom: #657c8f;
$custom-light: #92a1af;
$custom-dark: #000000;

JSON

{
  "hex": "#657c8f",
  "rgb": {
    "r": 101,
    "g": 124,
    "b": 143
  },
  "hsl": {
    "h": 207.143,
    "s": 17.213,
    "l": 47.843
  },
  "oklch": {
    "l": 0.57502,
    "c": 0.0398,
    "h": 243.4
  },
  "luminance": 0.19165
}

Semantic roles & 50–950 ramp

primary

#657C8F

secondary

#B2A79D

accent

#906EBA

background

#F9F9FA

surface

#F1F2F4

border

#CBCCCE

text

#0D0F10

muted

#7E7E7F

Preview Lab

Preview with #657C8F

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

Preview Lab → · Contrast checker → · Palette generator →