#37A0BC#37A0BC

#37A0BC is a light, moderate cyan. Relative luminance 0.296; OKLCH L 65.8% C 0.102 H 219.3°. Best body text is #000000 at 6.92:1 contrast (WCAG AA passes).

Color values

HEX	#37A0BC
RGB	rgb(55, 160, 188)
HSL	hsl(193, 55%, 48%)
HSV	hsv(193, 71%, 74%)
CMYK	cmyk(70.7%, 14.9%, 0%, 26.3%)
CIE-LAB	lab(61.29, -20.59, -23.12)
CIE-LCH	lch(61.29, 30.96, 228.32°)
OKLab	oklab(65.8% -0.0789 -0.0645)
OKLCH	oklch(65.8% 0.102 219.3)
XYZ	xyz(23.2197, 29.5820, 52.0534)
Luminance	0.2959 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37A0BC #BC5337

analogous

#37BC96 #37A0BC #375DBC

triadic

#37A0BC #BC37A0 #A0BC37

tetradic

#37A0BC #9637BC #BC5337 #5DBC37

square

#37A0BC #9637BC #BC5337 #5DBC37

split-complementary

#37A0BC #BC375D #BC9637

monochromatic

#1B4F5D #29788D #37A0BC #60B9D0 #8FCEDE

Accessibility & contrast

On white

3.04

#37A0BC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.92

#37A0BC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #37A0BC

6.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37A0BC	#FFFFFF	#000000	##000000
##37A0BC	1.00	3.04	6.92	6.92
#FFFFFF	3.04	1.00	21.00	21.00
#000000	6.92	21.00	1.00	1.00
##000000	6.92	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8F9CBE

Deuteranopia (green-blind)

#7C8EBC

Tritanopia (blue-blind)

#00A9A9

Achromatopsia (no color)

#949494

Design tokens & code

CSS

--color: #37a0bc;
/* rgb */ color: rgb(55, 160, 188);
/* oklch */ color: oklch(65.8% 0.102 219.3);

Tailwind

colors: {
  custom: {
    50: '#7fbcd0',
    500: '#37a0bc',
    950: '#000000',
  },
}

SCSS

$custom: #37a0bc;
$custom-light: #7fbcd0;
$custom-dark: #000000;

JSON

{
  "hex": "#37a0bc",
  "rgb": {
    "r": 55,
    "g": 160,
    "b": 188
  },
  "hsl": {
    "h": 192.632,
    "s": 54.733,
    "l": 47.647
  },
  "oklch": {
    "l": 0.65802,
    "c": 0.1019,
    "h": 219.3
  },
  "luminance": 0.29585
}

Semantic roles & 50–950 ramp

primary

#37A0BC

secondary

#C99486

accent

#694ADE

background

#F8FBFC

surface

#F0F6F9

border

#CBD0D2

text

#0B1214

muted

#7C8182

Preview Lab

Preview with #37A0BC

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

Preview Lab → · Contrast checker → · Palette generator →