#57665B#57665B

#57665B is a mid, muted grey. Relative luminance 0.123; OKLCH L 49.4% C 0.025 H 153.6°. Best body text is #FFFFFF at 6.07:1 contrast (WCAG AA passes).

Color values

HEX#57665B
RGBrgb(87, 102, 91)
HSLhsl(136, 8%, 37%)
HSVhsv(136, 15%, 40%)
CMYKcmyk(14.7%, 0%, 10.8%, 60%)
CIE-LABlab(41.66, -8.11, 4.31)
CIE-LCHlch(41.66, 9.18, 152.00°)
OKLaboklab(49.41% -0.0226 0.0112)
OKLCHoklch(49.41% 0.025 153.6)
XYZxyz(10.5697, 12.2841, 11.7097)
Luminance0.1228 (WCAG relative)
Temperatureneutral
Familygrey

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#57665B #665762
analogous
#5B6657 #57665B #576663
triadic
#57665B #5B5766 #665B57
tetradic
#57665B #575B66 #665762 #666357
square
#57665B #575B66 #665762 #666357
split-complementary
#57665B #635766 #66575B
monochromatic
#1F2420 #3B453E #57665B #738778 #94A498

Accessibility & contrast

On white

6.07
#57665B on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.46
#57665B on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #57665B
6.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##57665B#FFFFFF#000000##FFFFFF
##57665B1.006.073.466.07
#FFFFFF6.071.0021.001.00
#0000003.4621.001.0021.00
##FFFFFF6.071.0021.001.00

Color blindness preview

Protanopia (red-blind)
#66635A
Deuteranopia (green-blind)
#63625C
Tritanopia (blue-blind)
#556663
Achromatopsia (no color)
#626262

Design tokens & code

CSS
--color: #57665b;
/* rgb */ color: rgb(87, 102, 91);
/* oklch */ color: oklch(49.4% 0.025 153.6);
Tailwind
colors: {
  custom: {
    50: '#869189',
    500: '#57665b',
    950: '#000000',
  },
}
SCSS
$custom: #57665b;
$custom-light: #869189;
$custom-dark: #000000;
JSON
{
  "hex": "#57665b",
  "rgb": {
    "r": 87,
    "g": 102,
    "b": 91
  },
  "hsl": {
    "h": 136,
    "s": 7.937,
    "l": 37.059
  },
  "oklch": {
    "l": 0.49413,
    "c": 0.0252,
    "h": 153.6
  },
  "luminance": 0.12284
}

Semantic roles & 50–950 ramp

primary
#57665B
secondary
#93868F
accent
#77A1B1
background
#F8F8F8
surface
#EFF0F0
border
#CACBCB
text
#0B0C0B
muted
#7C7D7C

Preview Lab

Preview with #57665B

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

Preview Lab → · Contrast checker → · Palette generator →

#57665B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva