#37BCD8#37BCD8

#37BCD8 is a light, moderate cyan. Relative luminance 0.417; OKLCH L 73.7% C 0.117 H 215.3°. Best body text is #000000 at 9.35:1 contrast (WCAG AA passes).

Color values

HEX	#37BCD8
RGB	rgb(55, 188, 216)
HSL	hsl(190, 67%, 53%)
HSV	hsv(190, 75%, 85%)
CMYK	cmyk(74.5%, 13%, 0%, 15.3%)
CIE-LAB	lab(70.69, -26.00, -24.24)
CIE-LCH	lch(70.69, 35.54, 222.99°)
OKLab	oklab(73.7% -0.0954 -0.0676)
OKLCH	oklch(73.7% 0.117 215.3)
XYZ	xyz(31.9482, 41.7327, 71.3239)
Luminance	0.4174 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37BCD8 #D85337

analogous

#37D8A4 #37BCD8 #376BD8

triadic

#37BCD8 #D837BC #BCD837

tetradic

#37BCD8 #A437D8 #D85337 #6BD837

square

#37BCD8 #A437D8 #D85337 #6BD837

split-complementary

#37BCD8 #D8376B #D8A437

monochromatic

#186B7C #2297B0 #37BCD8 #6ACDE2 #9DDEEC

Accessibility & contrast

On white

2.25

#37BCD8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.35

#37BCD8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37BCD8

9.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37BCD8	#FFFFFF	#000000	##000000
##37BCD8	1.00	2.25	9.35	9.35
#FFFFFF	2.25	1.00	21.00	21.00
#000000	9.35	21.00	1.00	1.00
##000000	9.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A9B6DA

Deuteranopia (green-blind)

#93A6D8

Tritanopia (blue-blind)

#00C6C5

Achromatopsia (no color)

#ADADAD

Design tokens & code

CSS

--color: #37bcd8;
/* rgb */ color: rgb(55, 188, 216);
/* oklch */ color: oklch(73.7% 0.117 215.3);

Tailwind

colors: {
  custom: {
    50: '#85d0e4',
    500: '#37bcd8',
    950: '#000000',
  },
}

SCSS

$custom: #37bcd8;
$custom-light: #85d0e4;
$custom-dark: #000000;

JSON

{
  "hex": "#37bcd8",
  "rgb": {
    "r": 55,
    "g": 188,
    "b": 216
  },
  "hsl": {
    "h": 190.435,
    "s": 67.364,
    "l": 53.137
  },
  "oklch": {
    "l": 0.73696,
    "c": 0.11694,
    "h": 215.3
  },
  "luminance": 0.41737
}

Semantic roles & 50–950 ramp

primary

#37BCD8

secondary

#D89F93

accent

#5C3EEA

background

#F9FCFD

surface

#F1F9FB

border

#CBD2D4

text

#0D1415

muted

#7E8283

Preview Lab

Preview with #37BCD8

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

Preview Lab → · Contrast checker → · Palette generator →