#37B7E2#37B7E2

#37B7E2 is a light, vivid cyan. Relative luminance 0.402; OKLCH L 72.9% C 0.124 H 225.4°. Best body text is #000000 at 9.03:1 contrast (WCAG AA passes).

Color values

HEX	#37B7E2
RGB	rgb(55, 183, 226)
HSL	hsl(195, 75%, 55%)
HSV	hsv(195, 76%, 89%)
CMYK	cmyk(75.7%, 19%, 0%, 11.4%)
CIE-LAB	lab(69.59, -20.24, -31.38)
CIE-LCH	lch(69.59, 37.34, 237.18°)
OKLab	oklab(72.94% -0.0869 -0.088)
OKLCH	oklch(72.94% 0.124 225.4)
XYZ	xyz(32.2308, 40.1663, 77.9909)
Luminance	0.4017 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37B7E2 #E26237

analogous

#37E2B8 #37B7E2 #3761E2

triadic

#37B7E2 #E237B7 #B7E237

tetradic

#37B7E2 #B837E2 #E26237 #61E237

square

#37B7E2 #B837E2 #E26237 #61E237

split-complementary

#37B7E2 #E23761 #E2B837

monochromatic

#146D8B #1C97C0 #37B7E2 #6CCAEA #A2DDF2

Accessibility & contrast

On white

2.32

#37B7E2 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.03

#37B7E2 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37B7E2

9.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37B7E2	#FFFFFF	#000000	##000000
##37B7E2	1.00	2.32	9.03	9.03
#FFFFFF	2.32	1.00	21.00	21.00
#000000	9.03	21.00	1.00	1.00
##000000	9.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9FB3E4

Deuteranopia (green-blind)

#89A3E2

Tritanopia (blue-blind)

#00C4C5

Achromatopsia (no color)

#AAAAAA

Design tokens & code

CSS

--color: #37b7e2;
/* rgb */ color: rgb(55, 183, 226);
/* oklch */ color: oklch(72.9% 0.124 225.4);

Tailwind

colors: {
  custom: {
    50: '#86cceb',
    500: '#37b7e2',
    950: '#000000',
  },
}

SCSS

$custom: #37b7e2;
$custom-light: #86cceb;
$custom-dark: #000000;

JSON

{
  "hex": "#37b7e2",
  "rgb": {
    "r": 55,
    "g": 183,
    "b": 226
  },
  "hsl": {
    "h": 195.088,
    "s": 74.672,
    "l": 55.098
  },
  "oklch": {
    "l": 0.72937,
    "c": 0.12367,
    "h": 225.4
  },
  "luminance": 0.4017
}

Semantic roles & 50–950 ramp

primary

#37B7E2

secondary

#DEA997

accent

#6537F1

background

#F9FCFE

surface

#F1F8FD

border

#CBD1D5

text

#0D1316

muted

#7E8284

Preview Lab

Preview with #37B7E2

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

Preview Lab → · Contrast checker → · Palette generator →