#37666F#37666F

#37666F is a mid, muted teal. Relative luminance 0.115; OKLCH L 48.1% C 0.053 H 211.3°. Best body text is #FFFFFF at 6.38:1 contrast (WCAG AA passes).

Color values

HEX	#37666F
RGB	rgb(55, 102, 111)
HSL	hsl(190, 34%, 33%)
HSV	hsv(190, 50%, 44%)
CMYK	cmyk(50.5%, 8.1%, 0%, 56.5%)
CIE-LAB	lab(40.35, -13.35, -10.04)
CIE-LCH	lch(40.35, 16.70, 216.96°)
OKLab	oklab(48.06% -0.0455 -0.0277)
OKLCH	oklch(48.06% 0.053 211.3)
XYZ	xyz(9.1951, 11.4619, 16.7637)
Luminance	0.1146 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37666F #6F4037

analogous

#376F5C #37666F #374A6F

triadic

#37666F #6F3766 #666F37

tetradic

#37666F #5C376F #6F4037 #4A6F37

square

#37666F #5C376F #6F4037 #4A6F37

split-complementary

#37666F #6F374A #6F5C37

monochromatic

#0E1B1D #234046 #37666F #4B8C98 #6BAAB6

Accessibility & contrast

On white

6.38

#37666F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.29

#37666F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #37666F

6.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37666F	#FFFFFF	#000000	##FFFFFF
##37666F	1.00	6.38	3.29	6.38
#FFFFFF	6.38	1.00	21.00	1.00
#000000	3.29	21.00	1.00	21.00
##FFFFFF	6.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E6370

Deuteranopia (green-blind)

#565C6F

Tritanopia (blue-blind)

#186A69

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #37666f;
/* rgb */ color: rgb(55, 102, 111);
/* oklch */ color: oklch(48.1% 0.053 211.3);

Tailwind

colors: {
  custom: {
    50: '#729198',
    500: '#37666f',
    950: '#000000',
  },
}

SCSS

$custom: #37666f;
$custom-light: #729198;
$custom-dark: #000000;

JSON

{
  "hex": "#37666f",
  "rgb": {
    "r": 55,
    "g": 102,
    "b": 111
  },
  "hsl": {
    "h": 189.643,
    "s": 33.735,
    "l": 32.549
  },
  "oklch": {
    "l": 0.48059,
    "c": 0.05323,
    "h": 211.3
  },
  "luminance": 0.11463
}

Semantic roles & 50–950 ramp

primary

#37666F

secondary

#9F6D63

accent

#6F5ECA

background

#F7F8F9

surface

#EDF0F2

border

#C8CBCC

text

#080D0D

muted

#7B7D7E

Preview Lab

Preview with #37666F

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

Preview Lab → · Contrast checker → · Palette generator →