#37A0CD#37A0CD

#37A0CD is a light, moderate cyan. Relative luminance 0.304; OKLCH L 66.6% C 0.115 H 230.8°. Best body text is #000000 at 7.07:1 contrast (WCAG AA passes).

Color values

HEX	#37A0CD
RGB	rgb(55, 160, 205)
HSL	hsl(198, 60%, 51%)
HSV	hsv(198, 73%, 80%)
CMYK	cmyk(73.2%, 22%, 0%, 19.6%)
CIE-LAB	lab(61.96, -15.00, -31.60)
CIE-LCH	lch(61.96, 34.98, 244.61°)
OKLab	oklab(66.56% -0.0725 -0.0888)
OKLCH	oklch(66.56% 0.115 230.8)
XYZ	xyz(25.1614, 30.3587, 62.2795)
Luminance	0.3036 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37A0CD #CD6437

analogous

#37CDAF #37A0CD #3755CD

triadic

#37A0CD #CD37A0 #A0CD37

tetradic

#37A0CD #AF37CD #CD6437 #55CD37

square

#37A0CD #AF37CD #CD6437 #55CD37

split-complementary

#37A0CD #CD3755 #CDAF37

monochromatic

#1C556E #287B9F #37A0CD #68B7D9 #99CFE5

Accessibility & contrast

On white

2.97

#37A0CD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.07

#37A0CD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37A0CD

7.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37A0CD	#FFFFFF	#000000	##000000
##37A0CD	1.00	2.97	7.07	7.07
#FFFFFF	2.97	1.00	21.00	21.00
#000000	7.07	21.00	1.00	1.00
##000000	7.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#899ECF

Deuteranopia (green-blind)

#758FCC

Tritanopia (blue-blind)

#00ACAF

Achromatopsia (no color)

#969696

Design tokens & code

CSS

--color: #37a0cd;
/* rgb */ color: rgb(55, 160, 205);
/* oklch */ color: oklch(66.6% 0.115 230.8);

Tailwind

colors: {
  custom: {
    50: '#82bcdc',
    500: '#37a0cd',
    950: '#000000',
  },
}

SCSS

$custom: #37a0cd;
$custom-light: #82bcdc;
$custom-dark: #000000;

JSON

{
  "hex": "#37a0cd",
  "rgb": {
    "r": 55,
    "g": 160,
    "b": 205
  },
  "hsl": {
    "h": 198,
    "s": 60,
    "l": 50.98
  },
  "oklch": {
    "l": 0.66561,
    "c": 0.11464,
    "h": 230.8
  },
  "luminance": 0.30362
}

Semantic roles & 50–950 ramp

primary

#37A0CD

secondary

#D1A38F

accent

#7445E3

background

#F8FBFD

surface

#F0F6FB

border

#CBD0D4

text

#0C1215

muted

#7D8183

Preview Lab

Preview with #37A0CD

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

Preview Lab → · Contrast checker → · Palette generator →