#28B1E2#28B1E2

#28B1E2 is a light, vivid cyan. Relative luminance 0.374; OKLCH L 71.2% C 0.130 H 228.3°. Best body text is #000000 at 8.48:1 contrast (WCAG AA passes).

Color values

HEX	#28B1E2
RGB	rgb(40, 177, 226)
HSL	hsl(196, 76%, 52%)
HSV	hsv(196, 82%, 89%)
CMYK	cmyk(82.3%, 21.7%, 0%, 11.4%)
CIE-LAB	lab(67.56, -18.55, -34.54)
CIE-LCH	lch(67.56, 39.20, 241.76°)
OKLab	oklab(71.24% -0.0867 -0.0972)
OKLCH	oklch(71.24% 0.13 228.3)
XYZ	xyz(30.3190, 37.3825, 77.5543)
Luminance	0.3739 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28B1E2 #E25928

analogous

#28E2B6 #28B1E2 #2854E2

triadic

#28B1E2 #E228B1 #B1E228

tetradic

#28B1E2 #B628E2 #E25928 #54E228

square

#28B1E2 #B628E2 #E25928 #54E228

split-complementary

#28B1E2 #E22854 #E2B628

monochromatic

#11627F #188BB4 #28B1E2 #5EC5E9 #94D8F1

Accessibility & contrast

On white

2.48

#28B1E2 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.48

#28B1E2 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #28B1E2

8.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28B1E2	#FFFFFF	#000000	##000000
##28B1E2	1.00	2.48	8.48	8.48
#FFFFFF	2.48	1.00	21.00	21.00
#000000	8.48	21.00	1.00	1.00
##000000	8.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#97AEE4

Deuteranopia (green-blind)

#7F9DE1

Tritanopia (blue-blind)

#00BFC1

Achromatopsia (no color)

#A5A5A5

Design tokens & code

CSS

--color: #28b1e2;
/* rgb */ color: rgb(40, 177, 226);
/* oklch */ color: oklch(71.2% 0.130 228.3);

Tailwind

colors: {
  custom: {
    50: '#82c8eb',
    500: '#28b1e2',
    950: '#000000',
  },
}

SCSS

$custom: #28b1e2;
$custom-light: #82c8eb;
$custom-dark: #000000;

JSON

{
  "hex": "#28b1e2",
  "rgb": {
    "r": 40,
    "g": 177,
    "b": 226
  },
  "hsl": {
    "h": 195.806,
    "s": 76.23,
    "l": 52.157
  },
  "oklch": {
    "l": 0.7124,
    "c": 0.13025,
    "h": 228.3
  },
  "luminance": 0.37386
}

Semantic roles & 50–950 ramp

primary

#28B1E2

secondary

#DCA08A

accent

#6735F3

background

#F8FCFE

surface

#F0F8FD

border

#CBD1D5

text

#0C1316

muted

#7D8284

Preview Lab

Preview with #28B1E2

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

Preview Lab → · Contrast checker → · Palette generator →