#37586D#37586D

#37586D is a dark, muted cyan. Relative luminance 0.089; OKLCH L 44.4% C 0.052 H 237.5°. Best body text is #FFFFFF at 7.56:1 contrast (WCAG AA passes).

Color values

HEX	#37586D
RGB	rgb(55, 88, 109)
HSL	hsl(203, 33%, 32%)
HSV	hsv(203, 50%, 43%)
CMYK	cmyk(49.5%, 19.3%, 0%, 57.3%)
CIE-LAB	lab(35.78, -5.69, -15.75)
CIE-LCH	lch(35.78, 16.75, 250.15°)
OKLab	oklab(44.4% -0.0279 -0.0437)
OKLCH	oklch(44.4% 0.052 237.5)
XYZ	xyz(7.8246, 8.8952, 15.7697)
Luminance	0.0890 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37586D #6D4C37

analogous

#376D67 #37586D #373D6D

triadic

#37586D #6D3758 #586D37

tetradic

#37586D #67376D #6D4C37 #3D6D37

square

#37586D #67376D #6D4C37 #3D6D37

split-complementary

#37586D #6D373D #6D6737

monochromatic

#0E161C #223744 #37586D #4C7996 #6A97B4

Accessibility & contrast

On white

7.56

#37586D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.78

#37586D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37586D

7.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37586D	#FFFFFF	#000000	##FFFFFF
##37586D	1.00	7.56	2.78	7.56
#FFFFFF	7.56	1.00	21.00	1.00
#000000	2.78	21.00	1.00	21.00
##FFFFFF	7.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F576E

Deuteranopia (green-blind)

#47526D

Tritanopia (blue-blind)

#1E5D5F

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #37586d;
/* rgb */ color: rgb(55, 88, 109);
/* oklch */ color: oklch(44.4% 0.052 237.5);

Tailwind

colors: {
  custom: {
    50: '#718797',
    500: '#37586d',
    950: '#000000',
  },
}

SCSS

$custom: #37586d;
$custom-light: #718797;
$custom-dark: #000000;

JSON

{
  "hex": "#37586d",
  "rgb": {
    "r": 55,
    "g": 88,
    "b": 109
  },
  "hsl": {
    "h": 203.333,
    "s": 32.927,
    "l": 32.157
  },
  "oklch": {
    "l": 0.44397,
    "c": 0.05183,
    "h": 237.5
  },
  "luminance": 0.08896
}

Semantic roles & 50–950 ramp

primary

#37586D

secondary

#9D7963

accent

#885FC9

background

#F7F8F9

surface

#EDEFF2

border

#C8CACC

text

#080B0D

muted

#7B7C7E

Preview Lab

Preview with #37586D

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

Preview Lab → · Contrast checker → · Palette generator →