#37666D#37666D

#37666D is a mid, muted teal. Relative luminance 0.114; OKLCH L 48.0% C 0.052 H 208.0°. Best body text is #FFFFFF at 6.40:1 contrast (WCAG AA passes).

Color values

HEX	#37666D
RGB	rgb(55, 102, 109)
HSL	hsl(188, 33%, 32%)
HSV	hsv(188, 50%, 43%)
CMYK	cmyk(49.5%, 6.4%, 0%, 57.3%)
CIE-LAB	lab(40.28, -13.95, -8.93)
CIE-LCH	lch(40.28, 16.56, 212.62°)
OKLab	oklab(47.98% -0.0464 -0.0246)
OKLCH	oklch(47.98% 0.052 208)
XYZ	xyz(9.0862, 11.4184, 16.1902)
Luminance	0.1142 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37666D #6D3E37

analogous

#376D59 #37666D #374B6D

triadic

#37666D #6D3766 #666D37

tetradic

#37666D #59376D #6D3E37 #4B6D37

square

#37666D #59376D #6D3E37 #4B6D37

split-complementary

#37666D #6D374B #6D5937

monochromatic

#0E1A1C #224044 #37666D #4C8C96 #6AAAB4

Accessibility & contrast

On white

6.40

#37666D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.28

#37666D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #37666D

6.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37666D	#FFFFFF	#000000	##FFFFFF
##37666D	1.00	6.40	3.28	6.40
#FFFFFF	6.40	1.00	21.00	1.00
#000000	3.28	21.00	1.00	21.00
##FFFFFF	6.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F636D

Deuteranopia (green-blind)

#565C6D

Tritanopia (blue-blind)

#1A6A68

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #37666d;
/* rgb */ color: rgb(55, 102, 109);
/* oklch */ color: oklch(48.0% 0.052 208.0);

Tailwind

colors: {
  custom: {
    50: '#729196',
    500: '#37666d',
    950: '#000000',
  },
}

SCSS

$custom: #37666d;
$custom-light: #729196;
$custom-dark: #000000;

JSON

{
  "hex": "#37666d",
  "rgb": {
    "r": 55,
    "g": 102,
    "b": 109
  },
  "hsl": {
    "h": 187.778,
    "s": 32.927,
    "l": 32.157
  },
  "oklch": {
    "l": 0.47978,
    "c": 0.05248,
    "h": 208
  },
  "luminance": 0.11419
}

Semantic roles & 50–950 ramp

primary

#37666D

secondary

#9D6A63

accent

#6D5FC9

background

#F7F8F9

surface

#EDF0F2

border

#C8CBCC

text

#080D0D

muted

#7B7D7E

Preview Lab

Preview with #37666D

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

Preview Lab → · Contrast checker → · Palette generator →