#37AEDA#37AEDA

#37AEDA is a light, vivid cyan. Relative luminance 0.361; OKLCH L 70.5% C 0.120 H 227.5°. Best body text is #000000 at 8.23:1 contrast (WCAG AA passes).

Color values

HEX	#37AEDA
RGB	rgb(55, 174, 218)
HSL	hsl(196, 69%, 54%)
HSV	hsv(196, 75%, 85%)
CMYK	cmyk(74.8%, 20.2%, 0%, 14.5%)
CIE-LAB	lab(66.63, -18.16, -31.57)
CIE-LCH	lch(66.63, 36.42, 240.09°)
OKLab	oklab(70.46% -0.0813 -0.0886)
OKLCH	oklch(70.46% 0.12 227.5)
XYZ	xyz(29.3613, 36.1428, 71.7449)
Luminance	0.3615 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37AEDA #DA6337

analogous

#37DAB4 #37AEDA #375CDA

triadic

#37AEDA #DA37AE #AEDA37

tetradic

#37AEDA #B437DA #DA6337 #5CDA37

square

#37AEDA #B437DA #DA6337 #5CDA37

split-complementary

#37AEDA #DA375C #DAB437

monochromatic

#18637F #218BB3 #37AEDA #6BC3E4 #9ED8ED

Accessibility & contrast

On white

2.55

#37AEDA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.23

#37AEDA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37AEDA

8.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37AEDA	#FFFFFF	#000000	##000000
##37AEDA	1.00	2.55	8.23	8.23
#FFFFFF	2.55	1.00	21.00	21.00
#000000	8.23	21.00	1.00	1.00
##000000	8.23	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#97ABDC

Deuteranopia (green-blind)

#819BD9

Tritanopia (blue-blind)

#00BBBD

Achromatopsia (no color)

#A2A2A2

Design tokens & code

CSS

--color: #37aeda;
/* rgb */ color: rgb(55, 174, 218);
/* oklch */ color: oklch(70.5% 0.120 227.5);

Tailwind

colors: {
  custom: {
    50: '#85c6e5',
    500: '#37aeda',
    950: '#000000',
  },
}

SCSS

$custom: #37aeda;
$custom-light: #85c6e5;
$custom-dark: #000000;

JSON

{
  "hex": "#37aeda",
  "rgb": {
    "r": 55,
    "g": 174,
    "b": 218
  },
  "hsl": {
    "h": 196.196,
    "s": 68.776,
    "l": 53.529
  },
  "oklch": {
    "l": 0.70464,
    "c": 0.12025,
    "h": 227.5
  },
  "luminance": 0.36146
}

Semantic roles & 50–950 ramp

primary

#37AEDA

secondary

#D9A693

accent

#6C3CEC

background

#F8FCFE

surface

#F0F8FC

border

#CBD1D5

text

#0D1315

muted

#7D8284

Preview Lab

Preview with #37AEDA

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

Preview Lab → · Contrast checker → · Palette generator →