#37B0CD#37B0CD

#37B0CD is a light, moderate cyan. Relative luminance 0.363; OKLCH L 70.4% C 0.111 H 217.5°. Best body text is #000000 at 8.25:1 contrast (WCAG AA passes).

Color values

HEX	#37B0CD
RGB	rgb(55, 176, 205)
HSL	hsl(192, 60%, 51%)
HSV	hsv(192, 73%, 80%)
CMYK	cmyk(73.2%, 14.1%, 0%, 19.6%)
CIE-LAB	lab(66.72, -23.42, -24.26)
CIE-LCH	lch(66.72, 33.72, 226.02°)
OKLab	oklab(70.38% -0.0881 -0.0677)
OKLCH	oklch(70.38% 0.111 217.5)
XYZ	xyz(28.1157, 36.2673, 63.2643)
Luminance	0.3627 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37B0CD #CD5437

analogous

#37CD9F #37B0CD #3765CD

triadic

#37B0CD #CD37B0 #B0CD37

tetradic

#37B0CD #9F37CD #CD5437 #65CD37

square

#37B0CD #9F37CD #CD5437 #65CD37

split-complementary

#37B0CD #CD3765 #CD9F37

monochromatic

#1C5E6E #28889F #37B0CD #68C3D9 #99D7E5

Accessibility & contrast

On white

2.54

#37B0CD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.25

#37B0CD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37B0CD

8.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37B0CD	#FFFFFF	#000000	##000000
##37B0CD	1.00	2.54	8.25	8.25
#FFFFFF	2.54	1.00	21.00	21.00
#000000	8.25	21.00	1.00	1.00
##000000	8.25	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9DABCF

Deuteranopia (green-blind)

#899CCD

Tritanopia (blue-blind)

#00BAB9

Achromatopsia (no color)

#A2A2A2

Design tokens & code

CSS

--color: #37b0cd;
/* rgb */ color: rgb(55, 176, 205);
/* oklch */ color: oklch(70.4% 0.111 217.5);

Tailwind

colors: {
  custom: {
    50: '#83c7dc',
    500: '#37b0cd',
    950: '#000000',
  },
}

SCSS

$custom: #37b0cd;
$custom-light: #83c7dc;
$custom-dark: #000000;

JSON

{
  "hex": "#37b0cd",
  "rgb": {
    "r": 55,
    "g": 176,
    "b": 205
  },
  "hsl": {
    "h": 191.6,
    "s": 60,
    "l": 50.98
  },
  "oklch": {
    "l": 0.70376,
    "c": 0.11113,
    "h": 217.5
  },
  "luminance": 0.36271
}

Semantic roles & 50–950 ramp

primary

#37B0CD

secondary

#D19C8F

accent

#6345E3

background

#F8FCFD

surface

#F0F8FB

border

#CBD1D4

text

#0C1315

muted

#7D8283

Preview Lab

Preview with #37B0CD

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

Preview Lab → · Contrast checker → · Palette generator →