#28B3E2#28B3E2

#28B3E2 is a light, vivid cyan. Relative luminance 0.382; OKLCH L 71.7% C 0.130 H 226.9°. Best body text is #000000 at 8.64:1 contrast (WCAG AA passes).

Color values

HEX	#28B3E2
RGB	rgb(40, 179, 226)
HSL	hsl(195, 76%, 52%)
HSV	hsv(195, 82%, 89%)
CMYK	cmyk(82.3%, 20.8%, 0%, 11.4%)
CIE-LAB	lab(68.15, -19.60, -33.62)
CIE-LCH	lch(68.15, 38.92, 239.76°)
OKLab	oklab(71.71% -0.0885 -0.0946)
OKLCH	oklch(71.71% 0.13 226.9)
XYZ	xyz(30.7169, 38.1784, 77.6870)
Luminance	0.3818 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28B3E2 #E25728

analogous

#28E2B4 #28B3E2 #2856E2

triadic

#28B3E2 #E228B3 #B3E228

tetradic

#28B3E2 #B428E2 #E25728 #56E228

square

#28B3E2 #B428E2 #E25728 #56E228

split-complementary

#28B3E2 #E22856 #E2B428

monochromatic

#11637F #188DB4 #28B3E2 #5EC6E9 #94D9F1

Accessibility & contrast

On white

2.43

#28B3E2 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.64

#28B3E2 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #28B3E2

8.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28B3E2	#FFFFFF	#000000	##000000
##28B3E2	1.00	2.43	8.64	8.64
#FFFFFF	2.43	1.00	21.00	21.00
#000000	8.64	21.00	1.00	1.00
##000000	8.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9AB0E4

Deuteranopia (green-blind)

#829FE1

Tritanopia (blue-blind)

#00C0C3

Achromatopsia (no color)

#A6A6A6

Design tokens & code

CSS

--color: #28b3e2;
/* rgb */ color: rgb(40, 179, 226);
/* oklch */ color: oklch(71.7% 0.130 226.9);

Tailwind

colors: {
  custom: {
    50: '#82c9eb',
    500: '#28b3e2',
    950: '#000000',
  },
}

SCSS

$custom: #28b3e2;
$custom-light: #82c9eb;
$custom-dark: #000000;

JSON

{
  "hex": "#28b3e2",
  "rgb": {
    "r": 40,
    "g": 179,
    "b": 226
  },
  "hsl": {
    "h": 195.161,
    "s": 76.23,
    "l": 52.157
  },
  "oklch": {
    "l": 0.71712,
    "c": 0.12951,
    "h": 226.9
  },
  "luminance": 0.38182
}

Semantic roles & 50–950 ramp

primary

#28B3E2

secondary

#DC9F8A

accent

#6535F3

background

#F8FCFE

surface

#F0F8FD

border

#CBD1D5

text

#0D1316

muted

#7D8284

Preview Lab

Preview with #28B3E2

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

Preview Lab → · Contrast checker → · Palette generator →