#73D9EF#73D9EF

#73D9EF is a very light, moderate cyan. Relative luminance 0.595; OKLCH L 83.2% C 0.100 H 213.5°. Best body text is #000000 at 12.90:1 contrast (WCAG AA passes).

Color values

HEX	#73D9EF
RGB	rgb(115, 217, 239)
HSL	hsl(191, 79%, 69%)
HSV	hsv(191, 52%, 94%)
CMYK	cmyk(51.9%, 9.2%, 0%, 6.3%)
CIE-LAB	lab(81.56, -23.87, -19.92)
CIE-LCH	lch(81.56, 31.09, 219.84°)
OKLab	oklab(83.18% -0.0832 -0.0551)
OKLCH	oklch(83.18% 0.1 213.5)
XYZ	xyz(47.4570, 59.4983, 90.6280)
Luminance	0.5950 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#73D9EF #EF8973

analogous

#73EFC7 #73D9EF #739BEF

triadic

#73D9EF #EF73D9 #D9EF73

tetradic

#73D9EF #C773EF #EF8973 #9BEF73

square

#73D9EF #C773EF #EF8973 #9BEF73

split-complementary

#73D9EF #EF739B #EFC773

monochromatic

#18AFD0 #3CCAE9 #73D9EF #AAE8F5 #E1F7FC

Accessibility & contrast

On white

1.63

#73D9EF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.90

#73D9EF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #73D9EF

12.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##73D9EF	#FFFFFF	#000000	##000000
##73D9EF	1.00	1.63	12.90	12.90
#FFFFFF	1.63	1.00	21.00	21.00
#000000	12.90	21.00	1.00	1.00
##000000	12.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C8D3F0

Deuteranopia (green-blind)

#B5C5EF

Tritanopia (blue-blind)

#15E2E0

Achromatopsia (no color)

#CBCBCB

Design tokens & code

CSS

--color: #73d9ef;
/* rgb */ color: rgb(115, 217, 239);
/* oklch */ color: oklch(83.2% 0.100 213.5);

Tailwind

colors: {
  custom: {
    50: '#a4e5f4',
    500: '#73d9ef',
    950: '#000000',
  },
}

SCSS

$custom: #73d9ef;
$custom-light: #a4e5f4;
$custom-dark: #000000;

JSON

{
  "hex": "#73d9ef",
  "rgb": {
    "r": 115,
    "g": 217,
    "b": 239
  },
  "hsl": {
    "h": 190.645,
    "s": 79.487,
    "l": 69.412
  },
  "oklch": {
    "l": 0.83176,
    "c": 0.09982,
    "h": 213.5
  },
  "luminance": 0.59503
}

Semantic roles & 50–950 ramp

primary

#73D9EF

secondary

#C8573E

accent

#2F0ADC

background

#FDFEFF

surface

#F7FCFE

border

#D0D5D6

text

#101517

muted

#818485

Preview Lab

Preview with #73D9EF

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

Preview Lab → · Contrast checker → · Palette generator →