#37A0BA#37A0BA

#37A0BA is a light, moderate cyan. Relative luminance 0.295; OKLCH L 65.7% C 0.101 H 217.7°. Best body text is #000000 at 6.90:1 contrast (WCAG AA passes).

Color values

HEX	#37A0BA
RGB	rgb(55, 160, 186)
HSL	hsl(192, 54%, 47%)
HSV	hsv(192, 70%, 73%)
CMYK	cmyk(70.4%, 14%, 0%, 27.1%)
CIE-LAB	lab(61.22, -21.23, -22.11)
CIE-LCH	lch(61.22, 30.65, 226.17°)
OKLab	oklab(65.72% -0.0797 -0.0617)
OKLCH	oklch(65.72% 0.101 217.7)
XYZ	xyz(23.0056, 29.4964, 50.9258)
Luminance	0.2950 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37A0BA #BA5137

analogous

#37BA92 #37A0BA #375FBA

triadic

#37A0BA #BA37A0 #A0BA37

tetradic

#37A0BA #9237BA #BA5137 #5FBA37

square

#37A0BA #9237BA #BA5137 #5FBA37

split-complementary

#37A0BA #BA375F #BA9237

monochromatic

#1B4F5C #29778B #37A0BA #5FB9D0 #8ECEDE

Accessibility & contrast

On white

3.04

#37A0BA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.90

#37A0BA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #37A0BA

6.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37A0BA	#FFFFFF	#000000	##000000
##37A0BA	1.00	3.04	6.90	6.90
#FFFFFF	3.04	1.00	21.00	21.00
#000000	6.90	21.00	1.00	1.00
##000000	6.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8F9BBB

Deuteranopia (green-blind)

#7D8EBA

Tritanopia (blue-blind)

#00A9A8

Achromatopsia (no color)

#949494

Design tokens & code

CSS

--color: #37a0ba;
/* rgb */ color: rgb(55, 160, 186);
/* oklch */ color: oklch(65.7% 0.101 217.7);

Tailwind

colors: {
  custom: {
    50: '#7fbcce',
    500: '#37a0ba',
    950: '#000000',
  },
}

SCSS

$custom: #37a0ba;
$custom-light: #7fbcce;
$custom-dark: #000000;

JSON

{
  "hex": "#37a0ba",
  "rgb": {
    "r": 55,
    "g": 160,
    "b": 186
  },
  "hsl": {
    "h": 191.908,
    "s": 54.357,
    "l": 47.255
  },
  "oklch": {
    "l": 0.65717,
    "c": 0.10074,
    "h": 217.7
  },
  "luminance": 0.29499
}

Semantic roles & 50–950 ramp

primary

#37A0BA

secondary

#C89285

accent

#674ADE

background

#F8FBFC

surface

#F0F6F9

border

#CBD0D2

text

#0B1213

muted

#7C8182

Preview Lab

Preview with #37A0BA

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

Preview Lab → · Contrast checker → · Palette generator →