#28A3D1#28A3D1

#28A3D1 is a light, vivid cyan. Relative luminance 0.312; OKLCH L 67.1% C 0.122 H 229.0°. Best body text is #000000 at 7.25:1 contrast (WCAG AA passes).

Color values

HEX	#28A3D1
RGB	rgb(40, 163, 209)
HSL	hsl(196, 68%, 49%)
HSV	hsv(196, 81%, 82%)
CMYK	cmyk(80.9%, 22%, 0%, 18%)
CIE-LAB	lab(62.71, -16.91, -32.69)
CIE-LCH	lch(62.71, 36.80, 242.65°)
OKLab	oklab(67.13% -0.0801 -0.092)
OKLCH	oklch(67.13% 0.122 229)
XYZ	xyz(25.4761, 31.2458, 64.9976)
Luminance	0.3125 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28A3D1 #D15628

analogous

#28D1AB #28A3D1 #284FD1

triadic

#28A3D1 #D128A3 #A3D128

tetradic

#28A3D1 #AB28D1 #D15628 #4FD128

square

#28A3D1 #AB28D1 #D15628 #4FD128

split-complementary

#28A3D1 #D1284F #D1AB28

monochromatic

#14536A #1E7B9E #28A3D1 #57BADF #8BCFE9

Accessibility & contrast

On white

2.90

#28A3D1 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.25

#28A3D1 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #28A3D1

7.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28A3D1	#FFFFFF	#000000	##000000
##28A3D1	1.00	2.90	7.25	7.25
#FFFFFF	2.90	1.00	21.00	21.00
#000000	7.25	21.00	1.00	1.00
##000000	7.25	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8BA0D3

Deuteranopia (green-blind)

#7591D0

Tritanopia (blue-blind)

#00B0B2

Achromatopsia (no color)

#989898

Design tokens & code

CSS

--color: #28a3d1;
/* rgb */ color: rgb(40, 163, 209);
/* oklch */ color: oklch(67.1% 0.122 229.0);

Tailwind

colors: {
  custom: {
    50: '#7ebedf',
    500: '#28a3d1',
    950: '#000000',
  },
}

SCSS

$custom: #28a3d1;
$custom-light: #7ebedf;
$custom-dark: #000000;

JSON

{
  "hex": "#28a3d1",
  "rgb": {
    "r": 40,
    "g": 163,
    "b": 209
  },
  "hsl": {
    "h": 196.331,
    "s": 67.871,
    "l": 48.824
  },
  "oklch": {
    "l": 0.67129,
    "c": 0.12195,
    "h": 229
  },
  "luminance": 0.31249
}

Semantic roles & 50–950 ramp

primary

#28A3D1

secondary

#D39882

accent

#6C3DEB

background

#F8FBFD

surface

#F0F6FB

border

#CBD0D4

text

#0C1215

muted

#7D8183

Preview Lab

Preview with #28A3D1

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

Preview Lab → · Contrast checker → · Palette generator →