#37A7CC#37A7CC

#37A7CC is a light, moderate cyan. Relative luminance 0.328; OKLCH L 68.2% C 0.112 H 224.4°. Best body text is #000000 at 7.56:1 contrast (WCAG AA passes).

Color values

HEX	#37A7CC
RGB	rgb(55, 167, 204)
HSL	hsl(195, 59%, 51%)
HSV	hsv(195, 73%, 80%)
CMYK	cmyk(73%, 18.1%, 0%, 20%)
CIE-LAB	lab(64.00, -19.07, -27.89)
CIE-LCH	lch(64.00, 33.79, 235.63°)
OKLab	oklab(68.18% -0.0797 -0.0781)
OKLCH	oklch(68.18% 0.112 224.4)
XYZ	xyz(26.2889, 32.8062, 62.0618)
Luminance	0.3281 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37A7CC #CC5C37

analogous

#37CCA6 #37A7CC #375CCC

triadic

#37A7CC #CC37A7 #A7CC37

tetradic

#37A7CC #A637CC #CC5C37 #5CCC37

square

#37A7CC #A637CC #CC5C37 #5CCC37

split-complementary

#37A7CC #CC375C #CCA637

monochromatic

#1C596D #28809E #37A7CC #68BCD8 #99D2E5

Accessibility & contrast

On white

2.78

#37A7CC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.56

#37A7CC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37A7CC

7.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37A7CC	#FFFFFF	#000000	##000000
##37A7CC	1.00	2.78	7.56	7.56
#FFFFFF	2.78	1.00	21.00	21.00
#000000	7.56	21.00	1.00	1.00
##000000	7.56	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#92A3CE

Deuteranopia (green-blind)

#7E95CC

Tritanopia (blue-blind)

#00B2B3

Achromatopsia (no color)

#9B9B9B

Design tokens & code

CSS

--color: #37a7cc;
/* rgb */ color: rgb(55, 167, 204);
/* oklch */ color: oklch(68.2% 0.112 224.4);

Tailwind

colors: {
  custom: {
    50: '#82c1db',
    500: '#37a7cc',
    950: '#000000',
  },
}

SCSS

$custom: #37a7cc;
$custom-light: #82c1db;
$custom-dark: #000000;

JSON

{
  "hex": "#37a7cc",
  "rgb": {
    "r": 55,
    "g": 167,
    "b": 204
  },
  "hsl": {
    "h": 194.899,
    "s": 59.363,
    "l": 50.784
  },
  "oklch": {
    "l": 0.6818,
    "c": 0.11157,
    "h": 224.4
  },
  "luminance": 0.32809
}

Semantic roles & 50–950 ramp

primary

#37A7CC

secondary

#D09F8E

accent

#6C45E3

background

#F8FBFD

surface

#F0F7FB

border

#CBD0D4

text

#0C1215

muted

#7D8183

Preview Lab

Preview with #37A7CC

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

Preview Lab → · Contrast checker → · Palette generator →