#37586B#37586B

#37586B is a dark, muted cyan. Relative luminance 0.089; OKLCH L 44.3% C 0.050 H 234.7°. Best body text is #FFFFFF at 7.58:1 contrast (WCAG AA passes).

Color values

HEX	#37586B
RGB	rgb(55, 88, 107)
HSL	hsl(202, 32%, 32%)
HSV	hsv(202, 49%, 42%)
CMYK	cmyk(48.6%, 17.8%, 0%, 58%)
CIE-LAB	lab(35.70, -6.32, -14.63)
CIE-LCH	lch(35.70, 15.94, 246.64°)
OKLab	oklab(44.31% -0.0287 -0.0405)
OKLCH	oklch(44.31% 0.05 234.7)
XYZ	xyz(7.7182, 8.8527, 15.2091)
Luminance	0.0885 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37586B #6B4A37

analogous

#376B64 #37586B #373E6B

triadic

#37586B #6B3758 #586B37

tetradic

#37586B #64376B #6B4A37 #3E6B37

square

#37586B #64376B #6B4A37 #3E6B37

split-complementary

#37586B #6B373E #6B6437

monochromatic

#0D161A #223743 #37586B #4C7993 #6A98B2

Accessibility & contrast

On white

7.58

#37586B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.77

#37586B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37586B

7.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37586B	#FFFFFF	#000000	##FFFFFF
##37586B	1.00	7.58	2.77	7.58
#FFFFFF	7.58	1.00	21.00	1.00
#000000	2.77	21.00	1.00	21.00
##FFFFFF	7.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F576C

Deuteranopia (green-blind)

#48516B

Tritanopia (blue-blind)

#205D5E

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #37586b;
/* rgb */ color: rgb(55, 88, 107);
/* oklch */ color: oklch(44.3% 0.050 234.7);

Tailwind

colors: {
  custom: {
    50: '#718795',
    500: '#37586b',
    950: '#000000',
  },
}

SCSS

$custom: #37586b;
$custom-light: #718795;
$custom-dark: #000000;

JSON

{
  "hex": "#37586b",
  "rgb": {
    "r": 55,
    "g": 88,
    "b": 107
  },
  "hsl": {
    "h": 201.923,
    "s": 32.099,
    "l": 31.765
  },
  "oklch": {
    "l": 0.44305,
    "c": 0.04966,
    "h": 234.7
  },
  "luminance": 0.08853
}

Semantic roles & 50–950 ramp

primary

#37586B

secondary

#9B7762

accent

#8660C8

background

#F7F8F9

surface

#EDEFF1

border

#C8CACB

text

#080B0D

muted

#7B7C7E

Preview Lab

Preview with #37586B

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

Preview Lab → · Contrast checker → · Palette generator →