#37A9C8#37A9C8

#37A9C8 is a light, moderate cyan. Relative luminance 0.334; OKLCH L 68.5% C 0.109 H 220.0°. Best body text is #000000 at 7.67:1 contrast (WCAG AA passes).

Color values

HEX	#37A9C8
RGB	rgb(55, 169, 200)
HSL	hsl(193, 57%, 50%)
HSV	hsv(193, 73%, 78%)
CMYK	cmyk(72.5%, 15.5%, 0%, 21.6%)
CIE-LAB	lab(64.45, -21.42, -24.98)
CIE-LCH	lch(64.45, 32.91, 229.40°)
OKLab	oklab(68.49% -0.0832 -0.0698)
OKLCH	oklch(68.49% 0.109 220)
XYZ	xyz(26.1845, 33.3552, 59.6906)
Luminance	0.3336 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37A9C8 #C85637

analogous

#37C89F #37A9C8 #3760C8

triadic

#37A9C8 #C837A9 #A9C837

tetradic

#37A9C8 #9F37C8 #C85637 #60C837

square

#37A9C8 #9F37C8 #C85637 #60C837

split-complementary

#37A9C8 #C83760 #C89F37

monochromatic

#1D5868 #2A8098 #37A9C8 #67BED5 #97D2E2

Accessibility & contrast

On white

2.74

#37A9C8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.67

#37A9C8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37A9C8

7.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37A9C8	#FFFFFF	#000000	##000000
##37A9C8	1.00	2.74	7.67	7.67
#FFFFFF	2.74	1.00	21.00	21.00
#000000	7.67	21.00	1.00	1.00
##000000	7.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#96A4CA

Deuteranopia (green-blind)

#8296C8

Tritanopia (blue-blind)

#00B3B3

Achromatopsia (no color)

#9C9C9C

Design tokens & code

CSS

--color: #37a9c8;
/* rgb */ color: rgb(55, 169, 200);
/* oklch */ color: oklch(68.5% 0.109 220.0);

Tailwind

colors: {
  custom: {
    50: '#82c2d8',
    500: '#37a9c8',
    950: '#000000',
  },
}

SCSS

$custom: #37a9c8;
$custom-light: #82c2d8;
$custom-dark: #000000;

JSON

{
  "hex": "#37a9c8",
  "rgb": {
    "r": 55,
    "g": 169,
    "b": 200
  },
  "hsl": {
    "h": 192.828,
    "s": 56.863,
    "l": 50
  },
  "oklch": {
    "l": 0.68485,
    "c": 0.10859,
    "h": 220
  },
  "luminance": 0.33358
}

Semantic roles & 50–950 ramp

primary

#37A9C8

secondary

#CE9B8D

accent

#6848E0

background

#F8FBFD

surface

#F0F7FA

border

#CBD0D3

text

#0C1214

muted

#7D8183

Preview Lab

Preview with #37A9C8

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

Preview Lab → · Contrast checker → · Palette generator →