#37586F#37586F

#37586F is a dark, muted cyan. Relative luminance 0.089; OKLCH L 44.5% C 0.054 H 240.0°. Best body text is #FFFFFF at 7.53:1 contrast (WCAG AA passes).

Color values

HEX	#37586F
RGB	rgb(55, 88, 111)
HSL	hsl(205, 34%, 33%)
HSV	hsv(205, 50%, 44%)
CMYK	cmyk(50.5%, 20.7%, 0%, 56.5%)
CIE-LAB	lab(35.87, -5.05, -16.86)
CIE-LCH	lch(35.87, 17.60, 253.34°)
OKLab	oklab(44.49% -0.0271 -0.0469)
OKLCH	oklch(44.49% 0.054 240)
XYZ	xyz(7.9335, 8.9388, 16.3431)
Luminance	0.0894 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37586F #6F4E37

analogous

#376F6A #37586F #373C6F

triadic

#37586F #6F3758 #586F37

tetradic

#37586F #6A376F #6F4E37 #3C6F37

square

#37586F #6A376F #6F4E37 #3C6F37

split-complementary

#37586F #6F373C #6F6A37

monochromatic

#0E171D #233846 #37586F #4B7898 #6B97B6

Accessibility & contrast

On white

7.53

#37586F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.79

#37586F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37586F

7.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37586F	#FFFFFF	#000000	##FFFFFF
##37586F	1.00	7.53	2.79	7.53
#FFFFFF	7.53	1.00	21.00	1.00
#000000	2.79	21.00	1.00	21.00
##FFFFFF	7.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E5870

Deuteranopia (green-blind)

#46526F

Tritanopia (blue-blind)

#1D5E60

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #37586f;
/* rgb */ color: rgb(55, 88, 111);
/* oklch */ color: oklch(44.5% 0.054 240.0);

Tailwind

colors: {
  custom: {
    50: '#718798',
    500: '#37586f',
    950: '#000000',
  },
}

SCSS

$custom: #37586f;
$custom-light: #718798;
$custom-dark: #000000;

JSON

{
  "hex": "#37586f",
  "rgb": {
    "r": 55,
    "g": 88,
    "b": 111
  },
  "hsl": {
    "h": 204.643,
    "s": 33.735,
    "l": 32.549
  },
  "oklch": {
    "l": 0.44492,
    "c": 0.05413,
    "h": 240
  },
  "luminance": 0.08939
}

Semantic roles & 50–950 ramp

primary

#37586F

secondary

#9F7C63

accent

#8A5ECA

background

#F7F8F9

surface

#EDEFF2

border

#C8CACC

text

#080B0D

muted

#7B7C7E

Preview Lab

Preview with #37586F

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

Preview Lab → · Contrast checker → · Palette generator →