#37535C#37535C

#37535C is a dark, muted cyan. Relative luminance 0.078; OKLCH L 42.4% C 0.037 H 220.0°. Best body text is #FFFFFF at 8.22:1 contrast (WCAG AA passes).

Color values

HEX	#37535C
RGB	rgb(55, 83, 92)
HSL	hsl(195, 25%, 29%)
HSV	hsv(195, 40%, 36%)
CMYK	cmyk(40.2%, 9.8%, 0%, 63.9%)
CIE-LAB	lab(33.50, -7.86, -8.57)
CIE-LCH	lch(33.50, 11.63, 227.49°)
OKLab	oklab(42.37% -0.0281 -0.0235)
OKLCH	oklch(42.37% 0.037 220)
XYZ	xyz(6.5999, 7.7710, 11.2753)
Luminance	0.0777 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37535C #5C4037

analogous

#375C53 #37535C #37415C

triadic

#37535C #5C3753 #535C37

tetradic

#37535C #53375C #5C4037 #415C37

square

#37535C #53375C #5C4037 #415C37

split-complementary

#37535C #5C3741 #5C5337

monochromatic

#0B1113 #203036 #37535C #4E7682 #6896A5

Accessibility & contrast

On white

8.22

#37535C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.55

#37535C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37535C

8.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37535C	#FFFFFF	#000000	##FFFFFF
##37535C	1.00	8.22	2.55	8.22
#FFFFFF	8.22	1.00	21.00	1.00
#000000	2.55	21.00	1.00	21.00
##FFFFFF	8.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D515D

Deuteranopia (green-blind)

#484D5C

Tritanopia (blue-blind)

#295656

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #37535c;
/* rgb */ color: rgb(55, 83, 92);
/* oklch */ color: oklch(42.4% 0.037 220.0);

Tailwind

colors: {
  custom: {
    50: '#6f838a',
    500: '#37535c',
    950: '#000000',
  },
}

SCSS

$custom: #37535c;
$custom-light: #6f838a;
$custom-dark: #000000;

JSON

{
  "hex": "#37535c",
  "rgb": {
    "r": 55,
    "g": 83,
    "b": 92
  },
  "hsl": {
    "h": 194.595,
    "s": 25.17,
    "l": 28.824
  },
  "oklch": {
    "l": 0.42366,
    "c": 0.03662,
    "h": 220
  },
  "luminance": 0.07771
}

Semantic roles & 50–950 ramp

primary

#37535C

secondary

#8C6D62

accent

#7C66C2

background

#F6F8F8

surface

#ECEFF0

border

#C7CACB

text

#070A0B

muted

#7A7C7C

Preview Lab

Preview with #37535C

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

Preview Lab → · Contrast checker → · Palette generator →