#37585F#37585F

#37585F is a dark, muted cyan. Relative luminance 0.086; OKLCH L 43.8% C 0.040 H 212.5°. Best body text is #FFFFFF at 7.71:1 contrast (WCAG AA passes).

Color values

HEX	#37585F
RGB	rgb(55, 88, 95)
HSL	hsl(191, 27%, 29%)
HSV	hsv(191, 42%, 37%)
CMYK	cmyk(42.1%, 7.4%, 0%, 62.7%)
CIE-LAB	lab(35.24, -9.98, -7.85)
CIE-LCH	lch(35.24, 12.69, 218.19°)
OKLab	oklab(43.78% -0.0338 -0.0215)
OKLCH	oklch(43.78% 0.04 212.5)
XYZ	xyz(7.1301, 8.6174, 12.1119)
Luminance	0.0862 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37585F #5F3E37

analogous

#375F52 #37585F #37445F

triadic

#37585F #5F3758 #585F37

tetradic

#37585F #52375F #5F3E37 #445F37

square

#37585F #52375F #5F3E37 #445F37

split-complementary

#37585F #5F3744 #5F5237

monochromatic

#0B1213 #213438 #37585F #4D7C86 #699DA8

Accessibility & contrast

On white

7.71

#37585F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.72

#37585F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37585F

7.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37585F	#FFFFFF	#000000	##FFFFFF
##37585F	1.00	7.71	2.72	7.71
#FFFFFF	7.71	1.00	21.00	1.00
#000000	2.72	21.00	1.00	21.00
##FFFFFF	7.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#52565F

Deuteranopia (green-blind)

#4C515F

Tritanopia (blue-blind)

#275B5A

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #37585f;
/* rgb */ color: rgb(55, 88, 95);
/* oklch */ color: oklch(43.8% 0.040 212.5);

Tailwind

colors: {
  custom: {
    50: '#70878c',
    500: '#37585f',
    950: '#000000',
  },
}

SCSS

$custom: #37585f;
$custom-light: #70878c;
$custom-dark: #000000;

JSON

{
  "hex": "#37585f",
  "rgb": {
    "r": 55,
    "g": 88,
    "b": 95
  },
  "hsl": {
    "h": 190.5,
    "s": 26.667,
    "l": 29.412
  },
  "oklch": {
    "l": 0.43784,
    "c": 0.0401,
    "h": 212.5
  },
  "luminance": 0.08618
}

Semantic roles & 50–950 ramp

primary

#37585F

secondary

#8F6A62

accent

#7565C3

background

#F6F8F8

surface

#ECEFF0

border

#C7CACB

text

#070B0C

muted

#7A7C7D

Preview Lab

Preview with #37585F

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

Preview Lab → · Contrast checker → · Palette generator →