#28B4E2#28B4E2

#28B4E2 is a light, vivid cyan. Relative luminance 0.386; OKLCH L 71.9% C 0.129 H 226.2°. Best body text is #000000 at 8.72:1 contrast (WCAG AA passes).

Color values

HEX	#28B4E2
RGB	rgb(40, 180, 226)
HSL	hsl(195, 76%, 52%)
HSV	hsv(195, 82%, 89%)
CMYK	cmyk(82.3%, 20.4%, 0%, 11.4%)
CIE-LAB	lab(68.45, -20.12, -33.17)
CIE-LCH	lch(68.45, 38.80, 238.76°)
OKLab	oklab(71.95% -0.0894 -0.0932)
OKLCH	oklch(71.95% 0.129 226.2)
XYZ	xyz(30.9181, 38.5807, 77.7540)
Luminance	0.3859 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28B4E2 #E25628

analogous

#28E2B3 #28B4E2 #2857E2

triadic

#28B4E2 #E228B4 #B4E228

tetradic

#28B4E2 #B328E2 #E25628 #57E228

square

#28B4E2 #B328E2 #E25628 #57E228

split-complementary

#28B4E2 #E22857 #E2B328

monochromatic

#11637F #188EB4 #28B4E2 #5EC7E9 #94DAF1

Accessibility & contrast

On white

2.41

#28B4E2 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.72

#28B4E2 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #28B4E2

8.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28B4E2	#FFFFFF	#000000	##000000
##28B4E2	1.00	2.41	8.72	8.72
#FFFFFF	2.41	1.00	21.00	21.00
#000000	8.72	21.00	1.00	1.00
##000000	8.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9BB0E4

Deuteranopia (green-blind)

#839FE1

Tritanopia (blue-blind)

#00C1C3

Achromatopsia (no color)

#A7A7A7

Design tokens & code

CSS

--color: #28b4e2;
/* rgb */ color: rgb(40, 180, 226);
/* oklch */ color: oklch(71.9% 0.129 226.2);

Tailwind

colors: {
  custom: {
    50: '#82caeb',
    500: '#28b4e2',
    950: '#000000',
  },
}

SCSS

$custom: #28b4e2;
$custom-light: #82caeb;
$custom-dark: #000000;

JSON

{
  "hex": "#28b4e2",
  "rgb": {
    "r": 40,
    "g": 180,
    "b": 226
  },
  "hsl": {
    "h": 194.839,
    "s": 76.23,
    "l": 52.157
  },
  "oklch": {
    "l": 0.71948,
    "c": 0.12917,
    "h": 226.2
  },
  "luminance": 0.38585
}

Semantic roles & 50–950 ramp

primary

#28B4E2

secondary

#DC9E8A

accent

#6435F3

background

#F8FCFE

surface

#F0F8FD

border

#CBD1D5

text

#0D1316

muted

#7D8284

Preview Lab

Preview with #28B4E2

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

Preview Lab → · Contrast checker → · Palette generator →