#37A7CF#37A7CF

#37A7CF is a light, moderate cyan. Relative luminance 0.330; OKLCH L 68.3% C 0.114 H 226.3°. Best body text is #000000 at 7.59:1 contrast (WCAG AA passes).

Color values

HEX	#37A7CF
RGB	rgb(55, 167, 207)
HSL	hsl(196, 61%, 51%)
HSV	hsv(196, 73%, 81%)
CMYK	cmyk(73.4%, 19.3%, 0%, 18.8%)
CIE-LAB	lab(64.12, -18.09, -29.37)
CIE-LCH	lch(64.12, 34.49, 238.38°)
OKLab	oklab(68.31% -0.0786 -0.0823)
OKLCH	oklch(68.31% 0.114 226.3)
XYZ	xyz(26.6521, 32.9515, 63.9750)
Luminance	0.3296 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37A7CF #CF5F37

analogous

#37CFAB #37A7CF #375BCF

triadic

#37A7CF #CF37A7 #A7CF37

tetradic

#37A7CF #AB37CF #CF5F37 #5BCF37

square

#37A7CF #AB37CF #CF5F37 #5BCF37

split-complementary

#37A7CF #CF375B #CFAB37

monochromatic

#1B5A71 #2782A2 #37A7CF #68BDDB #9AD2E7

Accessibility & contrast

On white

2.77

#37A7CF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.59

#37A7CF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37A7CF

7.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37A7CF	#FFFFFF	#000000	##000000
##37A7CF	1.00	2.77	7.59	7.59
#FFFFFF	2.77	1.00	21.00	21.00
#000000	7.59	21.00	1.00	1.00
##000000	7.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#91A4D1

Deuteranopia (green-blind)

#7D95CF

Tritanopia (blue-blind)

#00B3B4

Achromatopsia (no color)

#9B9B9B

Design tokens & code

CSS

--color: #37a7cf;
/* rgb */ color: rgb(55, 167, 207);
/* oklch */ color: oklch(68.3% 0.114 226.3);

Tailwind

colors: {
  custom: {
    50: '#83c1dd',
    500: '#37a7cf',
    950: '#000000',
  },
}

SCSS

$custom: #37a7cf;
$custom-light: #83c1dd;
$custom-dark: #000000;

JSON

{
  "hex": "#37a7cf",
  "rgb": {
    "r": 55,
    "g": 167,
    "b": 207
  },
  "hsl": {
    "h": 195.789,
    "s": 61.29,
    "l": 51.373
  },
  "oklch": {
    "l": 0.68313,
    "c": 0.11382,
    "h": 226.3
  },
  "luminance": 0.32955
}

Semantic roles & 50–950 ramp

primary

#37A7CF

secondary

#D2A18F

accent

#6E43E4

background

#F8FBFD

surface

#F0F7FB

border

#CBD0D4

text

#0C1215

muted

#7D8183

Preview Lab

Preview with #37A7CF

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

Preview Lab → · Contrast checker → · Palette generator →