#37C5DA#37C5DA

#37C5DA is a light, moderate teal. Relative luminance 0.458; OKLCH L 75.9% C 0.119 H 209.7°. Best body text is #000000 at 10.16:1 contrast (WCAG AA passes).

Color values

HEX	#37C5DA
RGB	rgb(55, 197, 218)
HSL	hsl(188, 69%, 54%)
HSV	hsv(188, 75%, 85%)
CMYK	cmyk(74.8%, 9.6%, 0%, 14.5%)
CIE-LAB	lab(73.42, -29.82, -21.16)
CIE-LCH	lch(73.42, 36.56, 215.36°)
OKLab	oklab(75.92% -0.1032 -0.0589)
OKLCH	oklch(75.92% 0.119 209.7)
XYZ	xyz(34.1912, 45.8025, 73.3548)
Luminance	0.4581 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37C5DA #DA4C37

analogous

#37DA9D #37C5DA #3773DA

triadic

#37C5DA #DA37C5 #C5DA37

tetradic

#37C5DA #9D37DA #DA4C37 #73DA37

square

#37C5DA #9D37DA #DA4C37 #73DA37

split-complementary

#37C5DA #DA3773 #DA9D37

monochromatic

#18727F #21A0B3 #37C5DA #6BD4E4 #9EE3ED

Accessibility & contrast

On white

2.07

#37C5DA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.16

#37C5DA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37C5DA

10.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37C5DA	#FFFFFF	#000000	##000000
##37C5DA	1.00	2.07	10.16	10.16
#FFFFFF	2.07	1.00	21.00	21.00
#000000	10.16	21.00	1.00	1.00
##000000	10.16	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B3BEDB

Deuteranopia (green-blind)

#9CADDA

Tritanopia (blue-blind)

#00CECB

Achromatopsia (no color)

#B4B4B4

Design tokens & code

CSS

--color: #37c5da;
/* rgb */ color: rgb(55, 197, 218);
/* oklch */ color: oklch(75.9% 0.119 209.7);

Tailwind

colors: {
  custom: {
    50: '#87d7e5',
    500: '#37c5da',
    950: '#000000',
  },
}

SCSS

$custom: #37c5da;
$custom-light: #87d7e5;
$custom-dark: #000000;

JSON

{
  "hex": "#37c5da",
  "rgb": {
    "r": 55,
    "g": 197,
    "b": 218
  },
  "hsl": {
    "h": 187.73,
    "s": 68.776,
    "l": 53.529
  },
  "oklch": {
    "l": 0.75921,
    "c": 0.11886,
    "h": 209.7
  },
  "luminance": 0.45807
}

Semantic roles & 50–950 ramp

primary

#37C5DA

secondary

#D99C93

accent

#533CEC

background

#F9FDFE

surface

#F1FAFC

border

#CBD3D5

text

#0D1415

muted

#7E8384

Preview Lab

Preview with #37C5DA

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

Preview Lab → · Contrast checker → · Palette generator →