#37474E#37474E

#37474E is a dark, muted cyan. Relative luminance 0.059; OKLCH L 38.7% C 0.024 H 226.4°. Best body text is #FFFFFF at 9.66:1 contrast (WCAG AA passes).

Color values

HEX	#37474E
RGB	rgb(55, 71, 78)
HSL	hsl(198, 17%, 26%)
HSV	hsv(198, 29%, 31%)
CMYK	cmyk(29.5%, 9%, 0%, 69.4%)
CIE-LAB	lab(29.08, -4.45, -6.27)
CIE-LCH	lch(29.08, 7.69, 234.66°)
OKLab	oklab(38.69% -0.0163 -0.0171)
OKLCH	oklch(38.69% 0.024 226.4)
XYZ	xyz(5.2035, 5.8685, 8.0648)
Luminance	0.0587 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37474E #4E3E37

analogous

#374E49 #37474E #373B4E

triadic

#37474E #4E3747 #474E37

tetradic

#37474E #49374E #4E3E37 #3B4E37

square

#37474E #49374E #4E3E37 #3B4E37

split-complementary

#37474E #4E373B #4E4937

monochromatic

#0D1012 #1E262A #37474E #506872 #6A8896

Accessibility & contrast

On white

9.66

#37474E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.17

#37474E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37474E

9.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37474E	#FFFFFF	#000000	##FFFFFF
##37474E	1.00	9.66	2.17	9.66
#FFFFFF	9.66	1.00	21.00	1.00
#000000	2.17	21.00	1.00	21.00
##FFFFFF	9.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#43464E

Deuteranopia (green-blind)

#40434E

Tritanopia (blue-blind)

#304949

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #37474e;
/* rgb */ color: rgb(55, 71, 78);
/* oklch */ color: oklch(38.7% 0.024 226.4);

Tailwind

colors: {
  custom: {
    50: '#6e7a7f',
    500: '#37474e',
    950: '#000000',
  },
}

SCSS

$custom: #37474e;
$custom-light: #6e7a7f;
$custom-dark: #000000;

JSON

{
  "hex": "#37474e",
  "rgb": {
    "r": 55,
    "g": 71,
    "b": 78
  },
  "hsl": {
    "h": 198.261,
    "s": 17.293,
    "l": 26.078
  },
  "oklch": {
    "l": 0.38686,
    "c": 0.0236,
    "h": 226.4
  },
  "luminance": 0.05869
}

Semantic roles & 50–950 ramp

primary

#37474E

secondary

#7E6B63

accent

#856EBA

background

#F6F7F7

surface

#ECEDEE

border

#C7C8C9

text

#07090A

muted

#7A7B7C

Preview Lab

Preview with #37474E

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

Preview Lab → · Contrast checker → · Palette generator →