#37ADEE#37ADEE

#37ADEE is a light, vivid cyan. Relative luminance 0.369; OKLCH L 71.2% C 0.139 H 238.0°. Best body text is #000000 at 8.37:1 contrast (WCAG AA passes).

Color values

HEX	#37ADEE
RGB	rgb(55, 173, 238)
HSL	hsl(201, 84%, 57%)
HSV	hsv(201, 77%, 93%)
CMYK	cmyk(76.9%, 27.3%, 0%, 6.7%)
CIE-LAB	lab(67.18, -10.89, -41.68)
CIE-LCH	lch(67.18, 43.08, 255.36°)
OKLab	oklab(71.18% -0.0736 -0.1178)
OKLCH	oklch(71.18% 0.139 238)
XYZ	xyz(31.9456, 36.8686, 86.3050)
Luminance	0.3687 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37ADEE #EE7837

analogous

#37EED3 #37ADEE #3752EE

triadic

#37ADEE #EE37AD #ADEE37

tetradic

#37ADEE #D337EE #EE7837 #52EE37

square

#37ADEE #D337EE #EE7837 #52EE37

split-complementary

#37ADEE #EE3752 #EED337

monochromatic

#0D6A9D #1290D6 #37ADEE #6FC4F3 #A8DBF8

Accessibility & contrast

On white

2.51

#37ADEE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.37

#37ADEE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37ADEE

8.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37ADEE	#FFFFFF	#000000	##000000
##37ADEE	1.00	2.51	8.37	8.37
#FFFFFF	2.51	1.00	21.00	21.00
#000000	8.37	21.00	1.00	1.00
##000000	8.37	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8EADF1

Deuteranopia (green-blind)

#759CED

Tritanopia (blue-blind)

#00BEC4

Achromatopsia (no color)

#A3A3A3

Design tokens & code

CSS

--color: #37adee;
/* rgb */ color: rgb(55, 173, 238);
/* oklch */ color: oklch(71.2% 0.139 238.0);

Tailwind

colors: {
  custom: {
    50: '#88c5f4',
    500: '#37adee',
    950: '#000000',
  },
}

SCSS

$custom: #37adee;
$custom-light: #88c5f4;
$custom-dark: #000000;

JSON

{
  "hex": "#37adee",
  "rgb": {
    "r": 55,
    "g": 173,
    "b": 238
  },
  "hsl": {
    "h": 201.311,
    "s": 84.332,
    "l": 57.451
  },
  "oklch": {
    "l": 0.71179,
    "c": 0.13891,
    "h": 238
  },
  "luminance": 0.36872
}

Semantic roles & 50–950 ramp

primary

#37ADEE

secondary

#E5B69B

accent

#762DFB

background

#F9FCFE

surface

#F1F8FD

border

#CBD1D5

text

#0D1217

muted

#7E8185

Preview Lab

Preview with #37ADEE

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

Preview Lab → · Contrast checker → · Palette generator →