#28A4D1#28A4D1

#28A4D1 is a light, vivid cyan. Relative luminance 0.316; OKLCH L 67.4% C 0.122 H 228.2°. Best body text is #000000 at 7.32:1 contrast (WCAG AA passes).

Color values

HEX	#28A4D1
RGB	rgb(40, 164, 209)
HSL	hsl(196, 68%, 49%)
HSV	hsv(196, 81%, 82%)
CMYK	cmyk(80.9%, 21.5%, 0%, 18%)
CIE-LAB	lab(63.01, -17.44, -32.22)
CIE-LCH	lch(63.01, 36.64, 241.57°)
OKLab	oklab(67.37% -0.081 -0.0906)
OKLCH	oklch(67.37% 0.122 228.2)
XYZ	xyz(25.6544, 31.6023, 65.0570)
Luminance	0.3160 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28A4D1 #D15528

analogous

#28D1AA #28A4D1 #2850D1

triadic

#28A4D1 #D128A4 #A4D128

tetradic

#28A4D1 #AA28D1 #D15528 #50D128

square

#28A4D1 #AA28D1 #D15528 #50D128

split-complementary

#28A4D1 #D12850 #D1AA28

monochromatic

#14536A #1E7C9E #28A4D1 #57BBDF #8BD0E9

Accessibility & contrast

On white

2.87

#28A4D1 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.32

#28A4D1 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #28A4D1

7.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28A4D1	#FFFFFF	#000000	##000000
##28A4D1	1.00	2.87	7.32	7.32
#FFFFFF	2.87	1.00	21.00	21.00
#000000	7.32	21.00	1.00	1.00
##000000	7.32	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8CA1D3

Deuteranopia (green-blind)

#7692D0

Tritanopia (blue-blind)

#00B1B3

Achromatopsia (no color)

#989898

Design tokens & code

CSS

--color: #28a4d1;
/* rgb */ color: rgb(40, 164, 209);
/* oklch */ color: oklch(67.4% 0.122 228.2);

Tailwind

colors: {
  custom: {
    50: '#7ebfdf',
    500: '#28a4d1',
    950: '#000000',
  },
}

SCSS

$custom: #28a4d1;
$custom-light: #7ebfdf;
$custom-dark: #000000;

JSON

{
  "hex": "#28a4d1",
  "rgb": {
    "r": 40,
    "g": 164,
    "b": 209
  },
  "hsl": {
    "h": 195.976,
    "s": 67.871,
    "l": 48.824
  },
  "oklch": {
    "l": 0.67367,
    "c": 0.12155,
    "h": 228.2
  },
  "luminance": 0.31605
}

Semantic roles & 50–950 ramp

primary

#28A4D1

secondary

#D39882

accent

#6B3DEB

background

#F8FBFD

surface

#F0F7FB

border

#CBD0D4

text

#0C1215

muted

#7D8183

Preview Lab

Preview with #28A4D1

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

Preview Lab → · Contrast checker → · Palette generator →