#37A3B7#37A3B7

#37A3B7 is a light, moderate teal. Relative luminance 0.304; OKLCH L 66.3% C 0.100 H 212.5°. Best body text is #000000 at 7.09:1 contrast (WCAG AA passes).

Color values

HEX	#37A3B7
RGB	rgb(55, 163, 183)
HSL	hsl(189, 54%, 47%)
HSV	hsv(189, 70%, 72%)
CMYK	cmyk(69.9%, 10.9%, 0%, 28.2%)
CIE-LAB	lab(62.02, -23.73, -19.21)
CIE-LCH	lch(62.02, 30.53, 218.99°)
OKLab	oklab(66.33% -0.0839 -0.0534)
OKLCH	oklch(66.33% 0.1 212.5)
XYZ	xyz(23.2164, 30.4229, 49.4392)
Luminance	0.3043 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37A3B7 #B74B37

analogous

#37B78B #37A3B7 #3763B7

triadic

#37A3B7 #B737A3 #A3B737

tetradic

#37A3B7 #8B37B7 #B74B37 #63B737

square

#37A3B7 #8B37B7 #B74B37 #63B737

split-complementary

#37A3B7 #B73763 #B78B37

monochromatic

#1B4F59 #297988 #37A3B7 #5DBDCE #8CD0DC

Accessibility & contrast

On white

2.96

#37A3B7 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.09

#37A3B7 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37A3B7

7.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37A3B7	#FFFFFF	#000000	##000000
##37A3B7	1.00	2.96	7.09	7.09
#FFFFFF	2.96	1.00	21.00	21.00
#000000	7.09	21.00	1.00	1.00
##000000	7.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#949DB8

Deuteranopia (green-blind)

#8190B7

Tritanopia (blue-blind)

#00ABA9

Achromatopsia (no color)

#969696

Design tokens & code

CSS

--color: #37a3b7;
/* rgb */ color: rgb(55, 163, 183);
/* oklch */ color: oklch(66.3% 0.100 212.5);

Tailwind

colors: {
  custom: {
    50: '#7fbecc',
    500: '#37a3b7',
    950: '#000000',
  },
}

SCSS

$custom: #37a3b7;
$custom-light: #7fbecc;
$custom-dark: #000000;

JSON

{
  "hex": "#37a3b7",
  "rgb": {
    "r": 55,
    "g": 163,
    "b": 183
  },
  "hsl": {
    "h": 189.375,
    "s": 53.782,
    "l": 46.667
  },
  "oklch": {
    "l": 0.66325,
    "c": 0.0995,
    "h": 212.5
  },
  "luminance": 0.30426
}

Semantic roles & 50–950 ramp

primary

#37A3B7

secondary

#C78E83

accent

#624BDD

background

#F8FBFC

surface

#F0F7F8

border

#CBD0D1

text

#0B1213

muted

#7C8182

Preview Lab

Preview with #37A3B7

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

Preview Lab → · Contrast checker → · Palette generator →