#37575C#37575C

#37575C is a dark, muted teal. Relative luminance 0.084; OKLCH L 43.4% C 0.038 H 208.2°. Best body text is #FFFFFF at 7.84:1 contrast (WCAG AA passes).

Color values

HEX	#37575C
RGB	rgb(55, 87, 92)
HSL	hsl(188, 25%, 29%)
HSV	hsv(188, 40%, 36%)
CMYK	cmyk(40.2%, 5.4%, 0%, 63.9%)
CIE-LAB	lab(34.80, -10.25, -6.62)
CIE-LCH	lch(34.80, 12.20, 212.83°)
OKLab	oklab(43.4% -0.0338 -0.0181)
OKLCH	oklch(43.4% 0.038 208.2)
XYZ	xyz(6.9148, 8.4009, 11.3803)
Luminance	0.0840 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37575C #5C3C37

analogous

#375C4F #37575C #37455C

triadic

#37575C #5C3757 #575C37

tetradic

#37575C #4F375C #5C3C37 #455C37

square

#37575C #4F375C #5C3C37 #455C37

split-complementary

#37575C #5C3745 #5C4F37

monochromatic

#0B1213 #203336 #37575C #4E7B82 #689DA5

Accessibility & contrast

On white

7.84

#37575C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.68

#37575C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37575C

7.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37575C	#FFFFFF	#000000	##FFFFFF
##37575C	1.00	7.84	2.68	7.84
#FFFFFF	7.84	1.00	21.00	1.00
#000000	2.68	21.00	1.00	21.00
##FFFFFF	7.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#52555C

Deuteranopia (green-blind)

#4C505C

Tritanopia (blue-blind)

#285A58

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #37575c;
/* rgb */ color: rgb(55, 87, 92);
/* oklch */ color: oklch(43.4% 0.038 208.2);

Tailwind

colors: {
  custom: {
    50: '#70868a',
    500: '#37575c',
    950: '#000000',
  },
}

SCSS

$custom: #37575c;
$custom-light: #70868a;
$custom-dark: #000000;

JSON

{
  "hex": "#37575c",
  "rgb": {
    "r": 55,
    "g": 87,
    "b": 92
  },
  "hsl": {
    "h": 188.108,
    "s": 25.17,
    "l": 28.824
  },
  "oklch": {
    "l": 0.43403,
    "c": 0.03834,
    "h": 208.2
  },
  "luminance": 0.08401
}

Semantic roles & 50–950 ramp

primary

#37575C

secondary

#8C6862

accent

#7366C2

background

#F6F8F8

surface

#ECEFF0

border

#C7CACB

text

#070B0B

muted

#7A7C7C

Preview Lab

Preview with #37575C

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

Preview Lab → · Contrast checker → · Palette generator →