#37A7C1#37A7C1

#37A7C1 is a light, moderate cyan. Relative luminance 0.323; OKLCH L 67.7% C 0.105 H 216.7°. Best body text is #000000 at 7.46:1 contrast (WCAG AA passes).

Color values

HEX	#37A7C1
RGB	rgb(55, 167, 193)
HSL	hsl(191, 56%, 49%)
HSV	hsv(191, 72%, 76%)
CMYK	cmyk(71.5%, 13.5%, 0%, 24.3%)
CIE-LAB	lab(63.59, -22.62, -22.41)
CIE-LCH	lch(63.59, 31.84, 224.72°)
OKLab	oklab(67.71% -0.0839 -0.0625)
OKLCH	oklch(67.71% 0.105 216.7)
XYZ	xyz(25.0159, 32.2970, 55.3573)
Luminance	0.3230 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37A7C1 #C15137

analogous

#37C196 #37A7C1 #3762C1

triadic

#37A7C1 #C137A7 #A7C137

tetradic

#37A7C1 #9637C1 #C15137 #62C137

square

#37A7C1 #9637C1 #C15137 #62C137

split-complementary

#37A7C1 #C13762 #C19637

monochromatic

#1C5562 #297E91 #37A7C1 #63BDD2 #92D1E0

Accessibility & contrast

On white

2.82

#37A7C1 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.46

#37A7C1 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37A7C1

7.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37A7C1	#FFFFFF	#000000	##000000
##37A7C1	1.00	2.82	7.46	7.46
#FFFFFF	2.82	1.00	21.00	21.00
#000000	7.46	21.00	1.00	1.00
##000000	7.46	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#96A2C2

Deuteranopia (green-blind)

#8294C1

Tritanopia (blue-blind)

#00B0AF

Achromatopsia (no color)

#9A9A9A

Design tokens & code

CSS

--color: #37a7c1;
/* rgb */ color: rgb(55, 167, 193);
/* oklch */ color: oklch(67.7% 0.105 216.7);

Tailwind

colors: {
  custom: {
    50: '#81c1d3',
    500: '#37a7c1',
    950: '#000000',
  },
}

SCSS

$custom: #37a7c1;
$custom-light: #81c1d3;
$custom-dark: #000000;

JSON

{
  "hex": "#37a7c1",
  "rgb": {
    "r": 55,
    "g": 167,
    "b": 193
  },
  "hsl": {
    "h": 191.304,
    "s": 55.645,
    "l": 48.627
  },
  "oklch": {
    "l": 0.67708,
    "c": 0.10464,
    "h": 216.7
  },
  "luminance": 0.323
}

Semantic roles & 50–950 ramp

primary

#37A7C1

secondary

#CB9589

accent

#6549DF

background

#F8FBFC

surface

#F0F7F9

border

#CBD0D2

text

#0C1214

muted

#7D8182

Preview Lab

Preview with #37A7C1

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

Preview Lab → · Contrast checker → · Palette generator →