#37B5CC#37B5CC

#37B5CC is a light, moderate teal. Relative luminance 0.382; OKLCH L 71.5% C 0.111 H 212.7°. Best body text is #000000 at 8.64:1 contrast (WCAG AA passes).

Color values

HEX	#37B5CC
RGB	rgb(55, 181, 204)
HSL	hsl(189, 59%, 51%)
HSV	hsv(189, 73%, 80%)
CMYK	cmyk(73%, 11.3%, 0%, 20%)
CIE-LAB	lab(68.18, -26.26, -21.49)
CIE-LCH	lch(68.18, 33.93, 219.29°)
OKLab	oklab(71.54% -0.0934 -0.0598)
OKLCH	oklch(71.54% 0.111 212.7)
XYZ	xyz(28.9938, 38.2162, 62.9634)
Luminance	0.3822 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37B5CC #CC4E37

analogous

#37CC99 #37B5CC #376ACC

triadic

#37B5CC #CC37B5 #B5CC37

tetradic

#37B5CC #9937CC #CC4E37 #6ACC37

square

#37B5CC #9937CC #CC4E37 #6ACC37

split-complementary

#37B5CC #CC376A #CC9937

monochromatic

#1C606D #288B9E #37B5CC #68C7D8 #99D9E5

Accessibility & contrast

On white

2.43

#37B5CC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.64

#37B5CC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37B5CC

8.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37B5CC	#FFFFFF	#000000	##000000
##37B5CC	1.00	2.43	8.64	8.64
#FFFFFF	2.43	1.00	21.00	21.00
#000000	8.64	21.00	1.00	1.00
##000000	8.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A3AFCD

Deuteranopia (green-blind)

#8FA0CC

Tritanopia (blue-blind)

#00BEBC

Achromatopsia (no color)

#A6A6A6

Design tokens & code

CSS

--color: #37b5cc;
/* rgb */ color: rgb(55, 181, 204);
/* oklch */ color: oklch(71.5% 0.111 212.7);

Tailwind

colors: {
  custom: {
    50: '#83cbdb',
    500: '#37b5cc',
    950: '#000000',
  },
}

SCSS

$custom: #37b5cc;
$custom-light: #83cbdb;
$custom-dark: #000000;

JSON

{
  "hex": "#37b5cc",
  "rgb": {
    "r": 55,
    "g": 181,
    "b": 204
  },
  "hsl": {
    "h": 189.262,
    "s": 59.363,
    "l": 50.784
  },
  "oklch": {
    "l": 0.71536,
    "c": 0.11093,
    "h": 212.7
  },
  "luminance": 0.3822
}

Semantic roles & 50–950 ramp

primary

#37B5CC

secondary

#D0998E

accent

#5E45E3

background

#F8FCFD

surface

#F0F8FB

border

#CBD1D4

text

#0C1315

muted

#7D8283

Preview Lab

Preview with #37B5CC

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

Preview Lab → · Contrast checker → · Palette generator →