#37576B#37576B

#37576B is a dark, muted cyan. Relative luminance 0.087; OKLCH L 44.1% C 0.050 H 236.9°. Best body text is #FFFFFF at 7.67:1 contrast (WCAG AA passes).

Color values

HEX	#37576B
RGB	rgb(55, 87, 107)
HSL	hsl(203, 32%, 32%)
HSV	hsv(203, 49%, 42%)
CMYK	cmyk(48.6%, 18.7%, 0%, 58%)
CIE-LAB	lab(35.38, -5.71, -15.12)
CIE-LCH	lch(35.38, 16.17, 249.32°)
OKLab	oklab(44.05% -0.0273 -0.0419)
OKLCH	oklch(44.05% 0.05 236.9)
XYZ	xyz(7.6367, 8.6896, 15.1819)
Luminance	0.0869 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37576B #6B4B37

analogous

#376B65 #37576B #373D6B

triadic

#37576B #6B3757 #576B37

tetradic

#37576B #65376B #6B4B37 #3D6B37

square

#37576B #65376B #6B4B37 #3D6B37

split-complementary

#37576B #6B373D #6B6537

monochromatic

#0D151A #223643 #37576B #4C7893 #6A97B2

Accessibility & contrast

On white

7.67

#37576B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.74

#37576B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37576B

7.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37576B	#FFFFFF	#000000	##FFFFFF
##37576B	1.00	7.67	2.74	7.67
#FFFFFF	7.67	1.00	21.00	1.00
#000000	2.74	21.00	1.00	21.00
##FFFFFF	7.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E566C

Deuteranopia (green-blind)

#47516B

Tritanopia (blue-blind)

#205C5E

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #37576b;
/* rgb */ color: rgb(55, 87, 107);
/* oklch */ color: oklch(44.1% 0.050 236.9);

Tailwind

colors: {
  custom: {
    50: '#718695',
    500: '#37576b',
    950: '#000000',
  },
}

SCSS

$custom: #37576b;
$custom-light: #718695;
$custom-dark: #000000;

JSON

{
  "hex": "#37576b",
  "rgb": {
    "r": 55,
    "g": 87,
    "b": 107
  },
  "hsl": {
    "h": 203.077,
    "s": 32.099,
    "l": 31.765
  },
  "oklch": {
    "l": 0.44052,
    "c": 0.05004,
    "h": 236.9
  },
  "luminance": 0.0869
}

Semantic roles & 50–950 ramp

primary

#37576B

secondary

#9B7862

accent

#8860C8

background

#F7F8F9

surface

#EDEFF1

border

#C8CACB

text

#080B0D

muted

#7B7C7E

Preview Lab

Preview with #37576B

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

Preview Lab → · Contrast checker → · Palette generator →