#37ABCC#37ABCC

#37ABCC is a light, moderate cyan. Relative luminance 0.343; OKLCH L 69.1% C 0.111 H 221.1°. Best body text is #000000 at 7.86:1 contrast (WCAG AA passes).

Color values

HEX	#37ABCC
RGB	rgb(55, 171, 204)
HSL	hsl(193, 59%, 51%)
HSV	hsv(193, 73%, 80%)
CMYK	cmyk(73%, 16.2%, 0%, 20%)
CIE-LAB	lab(65.20, -21.16, -26.05)
CIE-LCH	lch(65.20, 33.57, 230.91°)
OKLab	oklab(69.14% -0.0836 -0.0728)
OKLCH	oklch(69.14% 0.111 221.1)
XYZ	xyz(27.0330, 34.2945, 62.3098)
Luminance	0.3430 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37ABCC #CC5837

analogous

#37CCA3 #37ABCC #3760CC

triadic

#37ABCC #CC37AB #ABCC37

tetradic

#37ABCC #A337CC #CC5837 #60CC37

square

#37ABCC #A337CC #CC5837 #60CC37

split-complementary

#37ABCC #CC3760 #CCA337

monochromatic

#1C5B6D #28849E #37ABCC #68BFD8 #99D4E5

Accessibility & contrast

On white

2.67

#37ABCC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.86

#37ABCC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37ABCC

7.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37ABCC	#FFFFFF	#000000	##000000
##37ABCC	1.00	2.67	7.86	7.86
#FFFFFF	2.67	1.00	21.00	21.00
#000000	7.86	21.00	1.00	1.00
##000000	7.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#97A7CE

Deuteranopia (green-blind)

#8398CC

Tritanopia (blue-blind)

#00B6B6

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #37abcc;
/* rgb */ color: rgb(55, 171, 204);
/* oklch */ color: oklch(69.1% 0.111 221.1);

Tailwind

colors: {
  custom: {
    50: '#82c4db',
    500: '#37abcc',
    950: '#000000',
  },
}

SCSS

$custom: #37abcc;
$custom-light: #82c4db;
$custom-dark: #000000;

JSON

{
  "hex": "#37abcc",
  "rgb": {
    "r": 55,
    "g": 171,
    "b": 204
  },
  "hsl": {
    "h": 193.289,
    "s": 59.363,
    "l": 50.784
  },
  "oklch": {
    "l": 0.69136,
    "c": 0.11089,
    "h": 221.1
  },
  "luminance": 0.34298
}

Semantic roles & 50–950 ramp

primary

#37ABCC

secondary

#D09D8E

accent

#6845E3

background

#F8FCFD

surface

#F0F8FB

border

#CBD1D4

text

#0C1215

muted

#7D8183

Preview Lab

Preview with #37ABCC

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

Preview Lab → · Contrast checker → · Palette generator →