#28C3EA#28C3EA

#28C3EA is a light, vivid cyan. Relative luminance 0.454; OKLCH L 75.8% C 0.131 H 220.3°. Best body text is #000000 at 10.08:1 contrast (WCAG AA passes).

Color values

HEX	#28C3EA
RGB	rgb(40, 195, 234)
HSL	hsl(192, 82%, 54%)
HSV	hsv(192, 83%, 92%)
CMYK	cmyk(82.9%, 16.7%, 0%, 8.2%)
CIE-LAB	lab(73.17, -25.15, -30.23)
CIE-LCH	lch(73.17, 39.33, 230.24°)
OKLab	oklab(75.84% -0.0999 -0.0847)
OKLCH	oklch(75.84% 0.131 220.3)
XYZ	xyz(35.2351, 45.4173, 84.7353)
Luminance	0.4542 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28C3EA #EA4F28

analogous

#28EAB0 #28C3EA #2862EA

triadic

#28C3EA #EA28C3 #C3EA28

tetradic

#28C3EA #B028EA #EA4F28 #62EA28

square

#28C3EA #B028EA #EA4F28 #62EA28

split-complementary

#28C3EA #EA2862 #EAB028

monochromatic

#0D718A #139FC2 #28C3EA #60D3EF #98E2F5

Accessibility & contrast

On white

2.08

#28C3EA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.08

#28C3EA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #28C3EA

10.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28C3EA	#FFFFFF	#000000	##000000
##28C3EA	1.00	2.08	10.08	10.08
#FFFFFF	2.08	1.00	21.00	21.00
#000000	10.08	21.00	1.00	1.00
##000000	10.08	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ABBEEC

Deuteranopia (green-blind)

#93ACEA

Tritanopia (blue-blind)

#00D0D0

Achromatopsia (no color)

#B4B4B4

Design tokens & code

CSS

--color: #28c3ea;
/* rgb */ color: rgb(40, 195, 234);
/* oklch */ color: oklch(75.8% 0.131 220.3);

Tailwind

colors: {
  custom: {
    50: '#84d5f0',
    500: '#28c3ea',
    950: '#000000',
  },
}

SCSS

$custom: #28c3ea;
$custom-light: #84d5f0;
$custom-dark: #000000;

JSON

{
  "hex": "#28c3ea",
  "rgb": {
    "r": 40,
    "g": 195,
    "b": 234
  },
  "hsl": {
    "h": 192.062,
    "s": 82.203,
    "l": 53.725
  },
  "oklch": {
    "l": 0.7584,
    "c": 0.131,
    "h": 220.3
  },
  "luminance": 0.45422
}

Semantic roles & 50–950 ramp

primary

#28C3EA

secondary

#E09E8D

accent

#582FF9

background

#F9FDFE

surface

#F1FAFD

border

#CBD3D5

text

#0D1416

muted

#7E8384

Preview Lab

Preview with #28C3EA

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

Preview Lab → · Contrast checker → · Palette generator →