#37A6CE#37A6CE

#37A6CE is a light, moderate cyan. Relative luminance 0.325; OKLCH L 68.0% C 0.113 H 226.5°. Best body text is #000000 at 7.51:1 contrast (WCAG AA passes).

Color values

HEX	#37A6CE
RGB	rgb(55, 166, 206)
HSL	hsl(196, 61%, 51%)
HSV	hsv(196, 73%, 81%)
CMYK	cmyk(73.3%, 19.4%, 0%, 19.2%)
CIE-LAB	lab(63.78, -17.88, -29.34)
CIE-LCH	lch(63.78, 34.36, 238.63°)
OKLab	oklab(68.03% -0.078 -0.0822)
OKLCH	oklch(68.03% 0.113 226.5)
XYZ	xyz(26.3478, 32.5378, 63.2724)
Luminance	0.3254 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37A6CE #CE5F37

analogous

#37CEAA #37A6CE #375ACE

triadic

#37A6CE #CE37A6 #A6CE37

tetradic

#37A6CE #AA37CE #CE5F37 #5ACE37

square

#37A6CE #AA37CE #CE5F37 #5ACE37

split-complementary

#37A6CE #CE375A #CEAA37

monochromatic

#1B596F #2780A0 #37A6CE #68BCDA #99D2E6

Accessibility & contrast

On white

2.80

#37A6CE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.51

#37A6CE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37A6CE

7.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37A6CE	#FFFFFF	#000000	##000000
##37A6CE	1.00	2.80	7.51	7.51
#FFFFFF	2.80	1.00	21.00	21.00
#000000	7.51	21.00	1.00	1.00
##000000	7.51	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#90A3D0

Deuteranopia (green-blind)

#7C94CE

Tritanopia (blue-blind)

#00B2B3

Achromatopsia (no color)

#9A9A9A

Design tokens & code

CSS

--color: #37a6ce;
/* rgb */ color: rgb(55, 166, 206);
/* oklch */ color: oklch(68.0% 0.113 226.5);

Tailwind

colors: {
  custom: {
    50: '#82c0dd',
    500: '#37a6ce',
    950: '#000000',
  },
}

SCSS

$custom: #37a6ce;
$custom-light: #82c0dd;
$custom-dark: #000000;

JSON

{
  "hex": "#37a6ce",
  "rgb": {
    "r": 55,
    "g": 166,
    "b": 206
  },
  "hsl": {
    "h": 195.894,
    "s": 60.643,
    "l": 51.176
  },
  "oklch": {
    "l": 0.68031,
    "c": 0.11334,
    "h": 226.5
  },
  "luminance": 0.32541
}

Semantic roles & 50–950 ramp

primary

#37A6CE

secondary

#D2A18F

accent

#6E44E4

background

#F8FBFD

surface

#F0F7FB

border

#CBD0D4

text

#0C1215

muted

#7D8183

Preview Lab

Preview with #37A6CE

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

Preview Lab → · Contrast checker → · Palette generator →