#37A8CE#37A8CE

#37A8CE is a light, moderate cyan. Relative luminance 0.333; OKLCH L 68.5% C 0.113 H 224.9°. Best body text is #000000 at 7.65:1 contrast (WCAG AA passes).

Color values

HEX	#37A8CE
RGB	rgb(55, 168, 206)
HSL	hsl(195, 61%, 51%)
HSV	hsv(195, 73%, 81%)
CMYK	cmyk(73.3%, 18.4%, 0%, 19.2%)
CIE-LAB	lab(64.38, -18.94, -28.42)
CIE-LCH	lch(64.38, 34.15, 236.31°)
OKLab	oklab(68.51% -0.0799 -0.0796)
OKLCH	oklch(68.51% 0.113 224.9)
XYZ	xyz(26.7142, 33.2706, 63.3945)
Luminance	0.3327 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37A8CE #CE5D37

analogous

#37CEA8 #37A8CE #375CCE

triadic

#37A8CE #CE37A8 #A8CE37

tetradic

#37A8CE #A837CE #CE5D37 #5CCE37

square

#37A8CE #A837CE #CE5D37 #5CCE37

split-complementary

#37A8CE #CE375C #CEA837

monochromatic

#1B5A6F #2782A0 #37A8CE #68BDDA #99D3E6

Accessibility & contrast

On white

2.74

#37A8CE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.65

#37A8CE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37A8CE

7.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37A8CE	#FFFFFF	#000000	##000000
##37A8CE	1.00	2.74	7.65	7.65
#FFFFFF	2.74	1.00	21.00	21.00
#000000	7.65	21.00	1.00	1.00
##000000	7.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#93A4D0

Deuteranopia (green-blind)

#7E96CE

Tritanopia (blue-blind)

#00B3B4

Achromatopsia (no color)

#9C9C9C

Design tokens & code

CSS

--color: #37a8ce;
/* rgb */ color: rgb(55, 168, 206);
/* oklch */ color: oklch(68.5% 0.113 224.9);

Tailwind

colors: {
  custom: {
    50: '#82c2dd',
    500: '#37a8ce',
    950: '#000000',
  },
}

SCSS

$custom: #37a8ce;
$custom-light: #82c2dd;
$custom-dark: #000000;

JSON

{
  "hex": "#37a8ce",
  "rgb": {
    "r": 55,
    "g": 168,
    "b": 206
  },
  "hsl": {
    "h": 195.099,
    "s": 60.643,
    "l": 51.176
  },
  "oklch": {
    "l": 0.68507,
    "c": 0.1128,
    "h": 224.9
  },
  "luminance": 0.33274
}

Semantic roles & 50–950 ramp

primary

#37A8CE

secondary

#D2A08F

accent

#6C44E4

background

#F8FBFD

surface

#F0F7FB

border

#CBD0D4

text

#0C1215

muted

#7D8183

Preview Lab

Preview with #37A8CE

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

Preview Lab → · Contrast checker → · Palette generator →