#28B2E2#28B2E2

#28B2E2 is a light, vivid cyan. Relative luminance 0.378; OKLCH L 71.5% C 0.130 H 227.6°. Best body text is #000000 at 8.56:1 contrast (WCAG AA passes).

Color values

HEX	#28B2E2
RGB	rgb(40, 178, 226)
HSL	hsl(195, 76%, 52%)
HSV	hsv(195, 82%, 89%)
CMYK	cmyk(82.3%, 21.2%, 0%, 11.4%)
CIE-LAB	lab(67.86, -19.08, -34.08)
CIE-LCH	lch(67.86, 39.06, 240.76°)
OKLab	oklab(71.48% -0.0876 -0.0959)
OKLCH	oklch(71.48% 0.13 227.6)
XYZ	xyz(30.5172, 37.7790, 77.6204)
Luminance	0.3778 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28B2E2 #E25828

analogous

#28E2B5 #28B2E2 #2855E2

triadic

#28B2E2 #E228B2 #B2E228

tetradic

#28B2E2 #B528E2 #E25828 #55E228

square

#28B2E2 #B528E2 #E25828 #55E228

split-complementary

#28B2E2 #E22855 #E2B528

monochromatic

#11627F #188CB4 #28B2E2 #5EC5E9 #94D9F1

Accessibility & contrast

On white

2.45

#28B2E2 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.56

#28B2E2 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #28B2E2

8.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28B2E2	#FFFFFF	#000000	##000000
##28B2E2	1.00	2.45	8.56	8.56
#FFFFFF	2.45	1.00	21.00	21.00
#000000	8.56	21.00	1.00	1.00
##000000	8.56	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#98AFE4

Deuteranopia (green-blind)

#809EE1

Tritanopia (blue-blind)

#00C0C2

Achromatopsia (no color)

#A5A5A5

Design tokens & code

CSS

--color: #28b2e2;
/* rgb */ color: rgb(40, 178, 226);
/* oklch */ color: oklch(71.5% 0.130 227.6);

Tailwind

colors: {
  custom: {
    50: '#82c9eb',
    500: '#28b2e2',
    950: '#000000',
  },
}

SCSS

$custom: #28b2e2;
$custom-light: #82c9eb;
$custom-dark: #000000;

JSON

{
  "hex": "#28b2e2",
  "rgb": {
    "r": 40,
    "g": 178,
    "b": 226
  },
  "hsl": {
    "h": 195.484,
    "s": 76.23,
    "l": 52.157
  },
  "oklch": {
    "l": 0.71476,
    "c": 0.12987,
    "h": 227.6
  },
  "luminance": 0.37783
}

Semantic roles & 50–950 ramp

primary

#28B2E2

secondary

#DC9F8A

accent

#6635F3

background

#F8FCFE

surface

#F0F8FD

border

#CBD1D5

text

#0D1316

muted

#7D8284

Preview Lab

Preview with #28B2E2

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

Preview Lab → · Contrast checker → · Palette generator →