#37AAC3#37AAC3

#37AAC3 is a light, moderate cyan. Relative luminance 0.335; OKLCH L 68.5% C 0.106 H 215.5°. Best body text is #000000 at 7.70:1 contrast (WCAG AA passes).

Color values

HEX	#37AAC3
RGB	rgb(55, 170, 195)
HSL	hsl(191, 56%, 49%)
HSV	hsv(191, 72%, 76%)
CMYK	cmyk(71.8%, 12.8%, 0%, 23.5%)
CIE-LAB	lab(64.56, -23.53, -22.03)
CIE-LCH	lch(64.56, 32.23, 223.11°)
OKLab	oklab(68.52% -0.0861 -0.0614)
OKLCH	oklch(68.52% 0.106 215.5)
XYZ	xyz(25.7964, 33.4988, 56.7255)
Luminance	0.3350 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37AAC3 #C35037

analogous

#37C396 #37AAC3 #3764C3

triadic

#37AAC3 #C337AA #AAC337

tetradic

#37AAC3 #9637C3 #C35037 #64C337

square

#37AAC3 #9637C3 #C35037 #64C337

split-complementary

#37AAC3 #C33764 #C39637

monochromatic

#1C5764 #2A8093 #37AAC3 #64BFD3 #94D3E1

Accessibility & contrast

On white

2.73

#37AAC3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.70

#37AAC3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37AAC3

7.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37AAC3	#FFFFFF	#000000	##000000
##37AAC3	1.00	2.73	7.70	7.70
#FFFFFF	2.73	1.00	21.00	21.00
#000000	7.70	21.00	1.00	1.00
##000000	7.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#99A5C4

Deuteranopia (green-blind)

#8596C3

Tritanopia (blue-blind)

#00B3B2

Achromatopsia (no color)

#9D9D9D

Design tokens & code

CSS

--color: #37aac3;
/* rgb */ color: rgb(55, 170, 195);
/* oklch */ color: oklch(68.5% 0.106 215.5);

Tailwind

colors: {
  custom: {
    50: '#81c3d5',
    500: '#37aac3',
    950: '#000000',
  },
}

SCSS

$custom: #37aac3;
$custom-light: #81c3d5;
$custom-dark: #000000;

JSON

{
  "hex": "#37aac3",
  "rgb": {
    "r": 55,
    "g": 170,
    "b": 195
  },
  "hsl": {
    "h": 190.714,
    "s": 56,
    "l": 49.02
  },
  "oklch": {
    "l": 0.68517,
    "c": 0.10578,
    "h": 215.5
  },
  "luminance": 0.33502
}

Semantic roles & 50–950 ramp

primary

#37AAC3

secondary

#CC968A

accent

#6349DF

background

#F8FCFD

surface

#F0F8FA

border

#CBD1D3

text

#0C1214

muted

#7D8183

Preview Lab

Preview with #37AAC3

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

Preview Lab → · Contrast checker → · Palette generator →