#37A4B7#37A4B7

#37A4B7 is a light, moderate teal. Relative luminance 0.308; OKLCH L 66.6% C 0.100 H 211.5°. Best body text is #000000 at 7.16:1 contrast (WCAG AA passes).

Color values

HEX	#37A4B7
RGB	rgb(55, 164, 183)
HSL	hsl(189, 54%, 47%)
HSV	hsv(189, 70%, 72%)
CMYK	cmyk(69.9%, 10.4%, 0%, 28.2%)
CIE-LAB	lab(62.32, -24.24, -18.75)
CIE-LCH	lch(62.32, 30.64, 217.72°)
OKLab	oklab(66.57% -0.0849 -0.0521)
OKLCH	oklch(66.57% 0.1 211.5)
XYZ	xyz(23.3946, 30.7794, 49.4986)
Luminance	0.3078 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37A4B7 #B74A37

analogous

#37B78A #37A4B7 #3764B7

triadic

#37A4B7 #B737A4 #A4B737

tetradic

#37A4B7 #8A37B7 #B74A37 #64B737

square

#37A4B7 #8A37B7 #B74A37 #64B737

split-complementary

#37A4B7 #B73764 #B78A37

monochromatic

#1B5059 #297A88 #37A4B7 #5DBDCE #8CD0DC

Accessibility & contrast

On white

2.93

#37A4B7 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.16

#37A4B7 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37A4B7

7.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37A4B7	#FFFFFF	#000000	##000000
##37A4B7	1.00	2.93	7.16	7.16
#FFFFFF	2.93	1.00	21.00	21.00
#000000	7.16	21.00	1.00	1.00
##000000	7.16	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#959EB8

Deuteranopia (green-blind)

#8391B7

Tritanopia (blue-blind)

#00ACAA

Achromatopsia (no color)

#979797

Design tokens & code

CSS

--color: #37a4b7;
/* rgb */ color: rgb(55, 164, 183);
/* oklch */ color: oklch(66.6% 0.100 211.5);

Tailwind

colors: {
  custom: {
    50: '#7fbfcc',
    500: '#37a4b7',
    950: '#000000',
  },
}

SCSS

$custom: #37a4b7;
$custom-light: #7fbfcc;
$custom-dark: #000000;

JSON

{
  "hex": "#37a4b7",
  "rgb": {
    "r": 55,
    "g": 164,
    "b": 183
  },
  "hsl": {
    "h": 188.906,
    "s": 53.782,
    "l": 46.667
  },
  "oklch": {
    "l": 0.66569,
    "c": 0.09967,
    "h": 211.5
  },
  "luminance": 0.30782
}

Semantic roles & 50–950 ramp

primary

#37A4B7

secondary

#C78D83

accent

#604BDD

background

#F8FBFC

surface

#F0F7F8

border

#CBD0D1

text

#0B1213

muted

#7C8182

Preview Lab

Preview with #37A4B7

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

Preview Lab → · Contrast checker → · Palette generator →