#37A2CF#37A2CF

#37A2CF is a light, moderate cyan. Relative luminance 0.312; OKLCH L 67.1% C 0.116 H 230.4°. Best body text is #000000 at 7.23:1 contrast (WCAG AA passes).

Color values

HEX	#37A2CF
RGB	rgb(55, 162, 207)
HSL	hsl(198, 61%, 51%)
HSV	hsv(198, 73%, 81%)
CMYK	cmyk(73.4%, 21.7%, 0%, 18.8%)
CIE-LAB	lab(62.64, -15.41, -31.67)
CIE-LCH	lch(62.64, 35.22, 244.05°)
OKLab	oklab(67.13% -0.0737 -0.089)
OKLCH	oklch(67.13% 0.116 230.4)
XYZ	xyz(25.7538, 31.1549, 63.6756)
Luminance	0.3116 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37A2CF #CF6437

analogous

#37CFB0 #37A2CF #3756CF

triadic

#37A2CF #CF37A2 #A2CF37

tetradic

#37A2CF #B037CF #CF6437 #56CF37

square

#37A2CF #B037CF #CF6437 #56CF37

split-complementary

#37A2CF #CF3756 #CFB037

monochromatic

#1B5771 #277EA2 #37A2CF #68B9DB #9AD0E7

Accessibility & contrast

On white

2.90

#37A2CF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.23

#37A2CF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37A2CF

7.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37A2CF	#FFFFFF	#000000	##000000
##37A2CF	1.00	2.90	7.23	7.23
#FFFFFF	2.90	1.00	21.00	21.00
#000000	7.23	21.00	1.00	1.00
##000000	7.23	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8BA0D1

Deuteranopia (green-blind)

#7691CE

Tritanopia (blue-blind)

#00AEB1

Achromatopsia (no color)

#979797

Design tokens & code

CSS

--color: #37a2cf;
/* rgb */ color: rgb(55, 162, 207);
/* oklch */ color: oklch(67.1% 0.116 230.4);

Tailwind

colors: {
  custom: {
    50: '#82bddd',
    500: '#37a2cf',
    950: '#000000',
  },
}

SCSS

$custom: #37a2cf;
$custom-light: #82bddd;
$custom-dark: #000000;

JSON

{
  "hex": "#37a2cf",
  "rgb": {
    "r": 55,
    "g": 162,
    "b": 207
  },
  "hsl": {
    "h": 197.763,
    "s": 61.29,
    "l": 51.373
  },
  "oklch": {
    "l": 0.67127,
    "c": 0.11555,
    "h": 230.4
  },
  "luminance": 0.31158
}

Semantic roles & 50–950 ramp

primary

#37A2CF

secondary

#D2A38F

accent

#7343E4

background

#F8FBFD

surface

#F0F6FB

border

#CBD0D4

text

#0C1215

muted

#7D8183

Preview Lab

Preview with #37A2CF

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

Preview Lab → · Contrast checker → · Palette generator →