#57737B#57737B

#57737B is a mid, muted cyan. Relative luminance 0.157; OKLCH L 53.7% C 0.035 H 217.2°. Best body text is #FFFFFF at 5.07:1 contrast (WCAG AA passes).

Color values

HEX	#57737B
RGB	rgb(87, 115, 123)
HSL	hsl(193, 17%, 41%)
HSV	hsv(193, 29%, 48%)
CMYK	cmyk(29.3%, 6.5%, 0%, 51.8%)
CIE-LAB	lab(46.60, -8.09, -7.71)
CIE-LCH	lch(46.60, 11.18, 223.64°)
OKLab	oklab(53.65% -0.0277 -0.021)
OKLCH	oklch(53.65% 0.035 217.2)
XYZ	xyz(13.6353, 15.7171, 21.0503)
Luminance	0.1572 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57737B #7B5F57

analogous

#577B71 #57737B #57617B

triadic

#57737B #7B5773 #737B57

tetradic

#57737B #71577B #7B5F57 #617B57

square

#57737B #71577B #7B5F57 #617B57

split-complementary

#57737B #7B5761 #7B7157

monochromatic

#243033 #3E5157 #57737B #73939C #97AFB5

Accessibility & contrast

On white

5.07

#57737B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.14

#57737B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #57737B

5.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57737B	#FFFFFF	#000000	##FFFFFF
##57737B	1.00	5.07	4.14	5.07
#FFFFFF	5.07	1.00	21.00	1.00
#000000	4.14	21.00	1.00	21.00
##FFFFFF	5.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D717B

Deuteranopia (green-blind)

#686C7B

Tritanopia (blue-blind)

#4B7675

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #57737b;
/* rgb */ color: rgb(87, 115, 123);
/* oklch */ color: oklch(53.7% 0.035 217.2);

Tailwind

colors: {
  custom: {
    50: '#879ba1',
    500: '#57737b',
    950: '#000000',
  },
}

SCSS

$custom: #57737b;
$custom-light: #879ba1;
$custom-dark: #000000;

JSON

{
  "hex": "#57737b",
  "rgb": {
    "r": 87,
    "g": 115,
    "b": 123
  },
  "hsl": {
    "h": 193.333,
    "s": 17.143,
    "l": 41.176
  },
  "oklch": {
    "l": 0.53653,
    "c": 0.03479,
    "h": 217.2
  },
  "luminance": 0.15718
}

Semantic roles & 50–950 ramp

primary

#57737B

secondary

#A3908A

accent

#7F6EBA

background

#F8F9F9

surface

#EFF2F2

border

#CACCCC

text

#0B0E0E

muted

#7C7E7E

Preview Lab

Preview with #57737B

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

Preview Lab → · Contrast checker → · Palette generator →