#37AECB#37AECB

#37AECB is a light, moderate cyan. Relative luminance 0.354; OKLCH L 69.8% C 0.110 H 217.8°. Best body text is #000000 at 8.08:1 contrast (WCAG AA passes).

Color values

HEX	#37AECB
RGB	rgb(55, 174, 203)
HSL	hsl(192, 59%, 51%)
HSV	hsv(192, 73%, 80%)
CMYK	cmyk(72.9%, 14.3%, 0%, 20.4%)
CIE-LAB	lab(66.05, -23.03, -24.18)
CIE-LCH	lch(66.05, 33.40, 226.40°)
OKLab	oklab(69.81% -0.0869 -0.0675)
OKLCH	oklch(69.81% 0.11 217.8)
XYZ	xyz(27.4866, 35.3929, 61.8712)
Luminance	0.3540 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37AECB #CB5437

analogous

#37CB9E #37AECB #3764CB

triadic

#37AECB #CB37AE #AECB37

tetradic

#37AECB #9E37CB #CB5437 #64CB37

square

#37AECB #9E37CB #CB5437 #64CB37

split-complementary

#37AECB #CB3764 #CB9E37

monochromatic

#1C5C6C #29869C #37AECB #68C2D8 #98D5E4

Accessibility & contrast

On white

2.60

#37AECB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.08

#37AECB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37AECB

8.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37AECB	#FFFFFF	#000000	##000000
##37AECB	1.00	2.60	8.08	8.08
#FFFFFF	2.60	1.00	21.00	21.00
#000000	8.08	21.00	1.00	1.00
##000000	8.08	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9BA9CD

Deuteranopia (green-blind)

#879ACB

Tritanopia (blue-blind)

#00B8B7

Achromatopsia (no color)

#A0A0A0

Design tokens & code

CSS

--color: #37aecb;
/* rgb */ color: rgb(55, 174, 203);
/* oklch */ color: oklch(69.8% 0.110 217.8);

Tailwind

colors: {
  custom: {
    50: '#83c6db',
    500: '#37aecb',
    950: '#000000',
  },
}

SCSS

$custom: #37aecb;
$custom-light: #83c6db;
$custom-dark: #000000;

JSON

{
  "hex": "#37aecb",
  "rgb": {
    "r": 55,
    "g": 174,
    "b": 203
  },
  "hsl": {
    "h": 191.757,
    "s": 58.73,
    "l": 50.588
  },
  "oklch": {
    "l": 0.69812,
    "c": 0.11007,
    "h": 217.8
  },
  "luminance": 0.35396
}

Semantic roles & 50–950 ramp

primary

#37AECB

secondary

#D09B8E

accent

#6446E2

background

#F8FCFD

surface

#F0F8FA

border

#CBD1D3

text

#0C1315

muted

#7D8283

Preview Lab

Preview with #37AECB

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

Preview Lab → · Contrast checker → · Palette generator →