#37B1CE#37B1CE

#37B1CE is a light, moderate cyan. Relative luminance 0.367; OKLCH L 70.7% C 0.112 H 217.4°. Best body text is #000000 at 8.34:1 contrast (WCAG AA passes).

Color values

HEX	#37B1CE
RGB	rgb(55, 177, 206)
HSL	hsl(192, 61%, 51%)
HSV	hsv(192, 73%, 81%)
CMYK	cmyk(73.3%, 14.1%, 0%, 19.2%)
CIE-LAB	lab(67.06, -23.61, -24.30)
CIE-LCH	lch(67.06, 33.88, 225.83°)
OKLab	oklab(70.66% -0.0887 -0.0678)
OKLCH	oklch(70.66% 0.112 217.4)
XYZ	xyz(28.4336, 36.7094, 63.9676)
Luminance	0.3671 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37B1CE #CE5437

analogous

#37CE9F #37B1CE #3765CE

triadic

#37B1CE #CE37B1 #B1CE37

tetradic

#37B1CE #9F37CE #CE5437 #65CE37

square

#37B1CE #9F37CE #CE5437 #65CE37

split-complementary

#37B1CE #CE3765 #CE9F37

monochromatic

#1B5F6F #2789A0 #37B1CE #68C4DA #99D7E6

Accessibility & contrast

On white

2.52

#37B1CE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.34

#37B1CE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37B1CE

8.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37B1CE	#FFFFFF	#000000	##000000
##37B1CE	1.00	2.52	8.34	8.34
#FFFFFF	2.52	1.00	21.00	21.00
#000000	8.34	21.00	1.00	1.00
##000000	8.34	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9EACD0

Deuteranopia (green-blind)

#899DCE

Tritanopia (blue-blind)

#00BBBA

Achromatopsia (no color)

#A3A3A3

Design tokens & code

CSS

--color: #37b1ce;
/* rgb */ color: rgb(55, 177, 206);
/* oklch */ color: oklch(70.7% 0.112 217.4);

Tailwind

colors: {
  custom: {
    50: '#83c8dd',
    500: '#37b1ce',
    950: '#000000',
  },
}

SCSS

$custom: #37b1ce;
$custom-light: #83c8dd;
$custom-dark: #000000;

JSON

{
  "hex": "#37b1ce",
  "rgb": {
    "r": 55,
    "g": 177,
    "b": 206
  },
  "hsl": {
    "h": 191.523,
    "s": 60.643,
    "l": 51.176
  },
  "oklch": {
    "l": 0.70657,
    "c": 0.11166,
    "h": 217.4
  },
  "luminance": 0.36713
}

Semantic roles & 50–950 ramp

primary

#37B1CE

secondary

#D29C8F

accent

#6344E4

background

#F8FCFD

surface

#F0F8FB

border

#CBD1D4

text

#0C1315

muted

#7D8283

Preview Lab

Preview with #37B1CE

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

Preview Lab → · Contrast checker → · Palette generator →