#37ABC7#37ABC7

#37ABC7 is a light, moderate cyan. Relative luminance 0.341; OKLCH L 68.9% C 0.108 H 217.6°. Best body text is #000000 at 7.81:1 contrast (WCAG AA passes).

Color values

HEX	#37ABC7
RGB	rgb(55, 171, 199)
HSL	hsl(192, 57%, 50%)
HSV	hsv(192, 72%, 78%)
CMYK	cmyk(72.4%, 14.1%, 0%, 22%)
CIE-LAB	lab(65.01, -22.77, -23.57)
CIE-LCH	lch(65.01, 32.77, 225.99°)
OKLab	oklab(68.92% -0.0855 -0.0658)
OKLCH	oklch(68.92% 0.108 217.6)
XYZ	xyz(26.4429, 34.0585, 59.2021)
Luminance	0.3406 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37ABC7 #C75337

analogous

#37C79B #37ABC7 #3763C7

triadic

#37ABC7 #C737AB #ABC737

tetradic

#37ABC7 #9B37C7 #C75337 #63C737

square

#37ABC7 #9B37C7 #C75337 #63C737

split-complementary

#37ABC7 #C73763 #C79B37

monochromatic

#1C5967 #2A8297 #37ABC7 #66BFD5 #96D3E2

Accessibility & contrast

On white

2.69

#37ABC7 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.81

#37ABC7 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37ABC7

7.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37ABC7	#FFFFFF	#000000	##000000
##37ABC7	1.00	2.69	7.81	7.81
#FFFFFF	2.69	1.00	21.00	21.00
#000000	7.81	21.00	1.00	1.00
##000000	7.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#99A6C9

Deuteranopia (green-blind)

#8597C7

Tritanopia (blue-blind)

#00B5B4

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #37abc7;
/* rgb */ color: rgb(55, 171, 199);
/* oklch */ color: oklch(68.9% 0.108 217.6);

Tailwind

colors: {
  custom: {
    50: '#82c4d8',
    500: '#37abc7',
    950: '#000000',
  },
}

SCSS

$custom: #37abc7;
$custom-light: #82c4d8;
$custom-dark: #000000;

JSON

{
  "hex": "#37abc7",
  "rgb": {
    "r": 55,
    "g": 171,
    "b": 199
  },
  "hsl": {
    "h": 191.667,
    "s": 56.693,
    "l": 49.804
  },
  "oklch": {
    "l": 0.68924,
    "c": 0.10791,
    "h": 217.6
  },
  "luminance": 0.34062
}

Semantic roles & 50–950 ramp

primary

#37ABC7

secondary

#CD998C

accent

#6548E0

background

#F8FCFD

surface

#F0F8FA

border

#CBD1D3

text

#0C1214

muted

#7D8183

Preview Lab

Preview with #37ABC7

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

Preview Lab → · Contrast checker → · Palette generator →