#37B7D7#37B7D7

#37B7D7 is a light, moderate cyan. Relative luminance 0.396; OKLCH L 72.5% C 0.116 H 218.6°. Best body text is #000000 at 8.92:1 contrast (WCAG AA passes).

Color values

HEX	#37B7D7
RGB	rgb(55, 183, 215)
HSL	hsl(192, 67%, 53%)
HSV	hsv(192, 74%, 84%)
CMYK	cmyk(74.4%, 14.9%, 0%, 15.7%)
CIE-LAB	lab(69.17, -23.80, -26.01)
CIE-LCH	lch(69.17, 35.25, 227.55°)
OKLab	oklab(72.47% -0.091 -0.0727)
OKLCH	oklch(72.47% 0.116 218.6)
XYZ	xyz(30.7696, 39.5818, 70.2952)
Luminance	0.3958 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37B7D7 #D75737

analogous

#37D7A7 #37B7D7 #3767D7

triadic

#37B7D7 #D737B7 #B7D737

tetradic

#37B7D7 #A737D7 #D75737 #67D737

square

#37B7D7 #A737D7 #D75737 #67D737

split-complementary

#37B7D7 #D73767 #D7A737

monochromatic

#19677B #2392AE #37B7D7 #6AC9E1 #9DDCEB

Accessibility & contrast

On white

2.36

#37B7D7 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.92

#37B7D7 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37B7D7

8.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37B7D7	#FFFFFF	#000000	##000000
##37B7D7	1.00	2.36	8.92	8.92
#FFFFFF	2.36	1.00	21.00	21.00
#000000	8.92	21.00	1.00	1.00
##000000	8.92	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A3B2D9

Deuteranopia (green-blind)

#8DA2D7

Tritanopia (blue-blind)

#00C2C1

Achromatopsia (no color)

#A9A9A9

Design tokens & code

CSS

--color: #37b7d7;
/* rgb */ color: rgb(55, 183, 215);
/* oklch */ color: oklch(72.5% 0.116 218.6);

Tailwind

colors: {
  custom: {
    50: '#85cce3',
    500: '#37b7d7',
    950: '#000000',
  },
}

SCSS

$custom: #37b7d7;
$custom-light: #85cce3;
$custom-dark: #000000;

JSON

{
  "hex": "#37b7d7",
  "rgb": {
    "r": 55,
    "g": 183,
    "b": 215
  },
  "hsl": {
    "h": 192,
    "s": 66.667,
    "l": 52.941
  },
  "oklch": {
    "l": 0.72465,
    "c": 0.11646,
    "h": 218.6
  },
  "luminance": 0.39585
}

Semantic roles & 50–950 ramp

primary

#37B7D7

secondary

#D7A092

accent

#603EEA

background

#F8FCFD

surface

#F0F9FB

border

#CBD2D4

text

#0D1315

muted

#7D8283

Preview Lab

Preview with #37B7D7

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

Preview Lab → · Contrast checker → · Palette generator →