#28A5D1#28A5D1

#28A5D1 is a light, vivid cyan. Relative luminance 0.320; OKLCH L 67.6% C 0.121 H 227.5°. Best body text is #000000 at 7.39:1 contrast (WCAG AA passes).

Color values

HEX	#28A5D1
RGB	rgb(40, 165, 209)
HSL	hsl(196, 68%, 49%)
HSV	hsv(196, 81%, 82%)
CMYK	cmyk(80.9%, 21.1%, 0%, 18%)
CIE-LAB	lab(63.31, -17.98, -31.76)
CIE-LCH	lch(63.31, 36.49, 240.49°)
OKLab	oklab(67.61% -0.0819 -0.0893)
OKLCH	oklch(67.61% 0.121 227.5)
XYZ	xyz(25.8341, 31.9616, 65.1169)
Luminance	0.3196 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28A5D1 #D15428

analogous

#28D1A9 #28A5D1 #2851D1

triadic

#28A5D1 #D128A5 #A5D128

tetradic

#28A5D1 #A928D1 #D15428 #51D128

square

#28A5D1 #A928D1 #D15428 #51D128

split-complementary

#28A5D1 #D12851 #D1A928

monochromatic

#14546A #1E7C9E #28A5D1 #57BCDF #8BD0E9

Accessibility & contrast

On white

2.84

#28A5D1 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.39

#28A5D1 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #28A5D1

7.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28A5D1	#FFFFFF	#000000	##000000
##28A5D1	1.00	2.84	7.39	7.39
#FFFFFF	2.84	1.00	21.00	21.00
#000000	7.39	21.00	1.00	1.00
##000000	7.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8EA2D3

Deuteranopia (green-blind)

#7892D0

Tritanopia (blue-blind)

#00B2B4

Achromatopsia (no color)

#999999

Design tokens & code

CSS

--color: #28a5d1;
/* rgb */ color: rgb(40, 165, 209);
/* oklch */ color: oklch(67.6% 0.121 227.5);

Tailwind

colors: {
  custom: {
    50: '#7ebfdf',
    500: '#28a5d1',
    950: '#000000',
  },
}

SCSS

$custom: #28a5d1;
$custom-light: #7ebfdf;
$custom-dark: #000000;

JSON

{
  "hex": "#28a5d1",
  "rgb": {
    "r": 40,
    "g": 165,
    "b": 209
  },
  "hsl": {
    "h": 195.621,
    "s": 67.871,
    "l": 48.824
  },
  "oklch": {
    "l": 0.67606,
    "c": 0.12118,
    "h": 227.5
  },
  "luminance": 0.31965
}

Semantic roles & 50–950 ramp

primary

#28A5D1

secondary

#D39782

accent

#6A3DEB

background

#F8FBFD

surface

#F0F7FB

border

#CBD0D4

text

#0C1215

muted

#7D8183

Preview Lab

Preview with #28A5D1

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

Preview Lab → · Contrast checker → · Palette generator →