#37A6CD#37A6CD

#37A6CD is a light, moderate cyan. Relative luminance 0.325; OKLCH L 68.0% C 0.113 H 225.9°. Best body text is #000000 at 7.50:1 contrast (WCAG AA passes).

Color values

HEX	#37A6CD
RGB	rgb(55, 166, 205)
HSL	hsl(196, 60%, 51%)
HSV	hsv(196, 73%, 80%)
CMYK	cmyk(73.2%, 19%, 0%, 19.6%)
CIE-LAB	lab(63.75, -18.21, -28.84)
CIE-LCH	lch(63.75, 34.11, 237.73°)
OKLab	oklab(67.99% -0.0783 -0.0808)
OKLCH	oklch(67.99% 0.113 225.9)
XYZ	xyz(26.2267, 32.4894, 62.6346)
Luminance	0.3249 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37A6CD #CD5E37

analogous

#37CDA9 #37A6CD #375BCD

triadic

#37A6CD #CD37A6 #A6CD37

tetradic

#37A6CD #A937CD #CD5E37 #5BCD37

square

#37A6CD #A937CD #CD5E37 #5BCD37

split-complementary

#37A6CD #CD375B #CDA937

monochromatic

#1C596E #28809F #37A6CD #68BCD9 #99D2E5

Accessibility & contrast

On white

2.80

#37A6CD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.50

#37A6CD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37A6CD

7.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37A6CD	#FFFFFF	#000000	##000000
##37A6CD	1.00	2.80	7.50	7.50
#FFFFFF	2.80	1.00	21.00	21.00
#000000	7.50	21.00	1.00	1.00
##000000	7.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#91A3CF

Deuteranopia (green-blind)

#7C94CD

Tritanopia (blue-blind)

#00B1B3

Achromatopsia (no color)

#9A9A9A

Design tokens & code

CSS

--color: #37a6cd;
/* rgb */ color: rgb(55, 166, 205);
/* oklch */ color: oklch(68.0% 0.113 225.9);

Tailwind

colors: {
  custom: {
    50: '#82c0dc',
    500: '#37a6cd',
    950: '#000000',
  },
}

SCSS

$custom: #37a6cd;
$custom-light: #82c0dc;
$custom-dark: #000000;

JSON

{
  "hex": "#37a6cd",
  "rgb": {
    "r": 55,
    "g": 166,
    "b": 205
  },
  "hsl": {
    "h": 195.6,
    "s": 60,
    "l": 50.98
  },
  "oklch": {
    "l": 0.67986,
    "c": 0.11257,
    "h": 225.9
  },
  "luminance": 0.32492
}

Semantic roles & 50–950 ramp

primary

#37A6CD

secondary

#D1A08F

accent

#6E45E3

background

#F8FBFD

surface

#F0F7FB

border

#CBD0D4

text

#0C1215

muted

#7D8183

Preview Lab

Preview with #37A6CD

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

Preview Lab → · Contrast checker → · Palette generator →