#37737B#37737B

#37737B is a mid, moderate teal. Relative luminance 0.145; OKLCH L 51.9% C 0.063 H 206.9°. Best body text is #FFFFFF at 5.38:1 contrast (WCAG AA passes).

Color values

HEX	#37737B
RGB	rgb(55, 115, 123)
HSL	hsl(187, 38%, 35%)
HSV	hsv(187, 55%, 48%)
CMYK	cmyk(55.3%, 6.5%, 0%, 51.8%)
CIE-LAB	lab(44.95, -16.98, -10.36)
CIE-LCH	lch(44.95, 19.90, 211.40°)
OKLab	oklab(51.89% -0.0564 -0.0286)
OKLCH	oklch(51.89% 0.063 206.9)
XYZ	xyz(11.2800, 14.5027, 20.9399)
Luminance	0.1450 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37737B #7B3F37

analogous

#377B61 #37737B #37517B

triadic

#37737B #7B3773 #737B37

tetradic

#37737B #61377B #7B3F37 #517B37

square

#37737B #61377B #7B3F37 #517B37

split-complementary

#37737B #7B3751 #7B6137

monochromatic

#112426 #244B51 #37737B #4A9BA5 #6EB5BE

Accessibility & contrast

On white

5.38

#37737B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.90

#37737B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #37737B

5.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37737B	#FFFFFF	#000000	##FFFFFF
##37737B	1.00	5.38	3.90	5.38
#FFFFFF	5.38	1.00	21.00	1.00
#000000	3.90	21.00	1.00	21.00
##FFFFFF	5.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B6F7C

Deuteranopia (green-blind)

#60677B

Tritanopia (blue-blind)

#007775

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #37737b;
/* rgb */ color: rgb(55, 115, 123);
/* oklch */ color: oklch(51.9% 0.063 206.9);

Tailwind

colors: {
  custom: {
    50: '#749ba1',
    500: '#37737b',
    950: '#000000',
  },
}

SCSS

$custom: #37737b;
$custom-light: #749ba1;
$custom-dark: #000000;

JSON

{
  "hex": "#37737b",
  "rgb": {
    "r": 55,
    "g": 115,
    "b": 123
  },
  "hsl": {
    "h": 187.059,
    "s": 38.202,
    "l": 34.902
  },
  "oklch": {
    "l": 0.51886,
    "c": 0.06325,
    "h": 206.9
  },
  "luminance": 0.14504
}

Semantic roles & 50–950 ramp

primary

#37737B

secondary

#A76E67

accent

#675ACE

background

#F7F9F9

surface

#EDF2F2

border

#C8CCCC

text

#090E0E

muted

#7B7E7E

Preview Lab

Preview with #37737B

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

Preview Lab → · Contrast checker → · Palette generator →