#28ACD1#28ACD1

#28ACD1 is a light, moderate cyan. Relative luminance 0.346; OKLCH L 69.3% C 0.119 H 222.1°. Best body text is #000000 at 7.91:1 contrast (WCAG AA passes).

Color values

HEX	#28ACD1
RGB	rgb(40, 172, 209)
HSL	hsl(193, 68%, 49%)
HSV	hsv(193, 81%, 82%)
CMYK	cmyk(80.9%, 17.7%, 0%, 18%)
CIE-LAB	lab(65.40, -21.65, -28.53)
CIE-LCH	lch(65.40, 35.81, 232.80°)
OKLab	oklab(69.28% -0.0884 -0.08)
OKLCH	oklch(69.28% 0.119 222.1)
XYZ	xyz(27.1314, 34.5562, 65.5493)
Luminance	0.3456 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28ACD1 #D14D28

analogous

#28D1A2 #28ACD1 #2858D1

triadic

#28ACD1 #D128AC #ACD128

tetradic

#28ACD1 #A228D1 #D14D28 #58D128

square

#28ACD1 #A228D1 #D14D28 #58D128

split-complementary

#28ACD1 #D12858 #D1A228

monochromatic

#14576A #1E829E #28ACD1 #57C1DF #8BD4E9

Accessibility & contrast

On white

2.65

#28ACD1 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.91

#28ACD1 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #28ACD1

7.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28ACD1	#FFFFFF	#000000	##000000
##28ACD1	1.00	2.65	7.91	7.91
#FFFFFF	2.65	1.00	21.00	21.00
#000000	7.91	21.00	1.00	1.00
##000000	7.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#96A8D3

Deuteranopia (green-blind)

#8098D1

Tritanopia (blue-blind)

#00B8B8

Achromatopsia (no color)

#9F9F9F

Design tokens & code

CSS

--color: #28acd1;
/* rgb */ color: rgb(40, 172, 209);
/* oklch */ color: oklch(69.3% 0.119 222.1);

Tailwind

colors: {
  custom: {
    50: '#7fc5df',
    500: '#28acd1',
    950: '#000000',
  },
}

SCSS

$custom: #28acd1;
$custom-light: #7fc5df;
$custom-dark: #000000;

JSON

{
  "hex": "#28acd1",
  "rgb": {
    "r": 40,
    "g": 172,
    "b": 209
  },
  "hsl": {
    "h": 193.136,
    "s": 67.871,
    "l": 48.824
  },
  "oklch": {
    "l": 0.69283,
    "c": 0.1192,
    "h": 222.1
  },
  "luminance": 0.3456
}

Semantic roles & 50–950 ramp

primary

#28ACD1

secondary

#D39482

accent

#633DEB

background

#F8FCFD

surface

#F0F8FB

border

#CBD1D4

text

#0C1215

muted

#7D8183

Preview Lab

Preview with #28ACD1

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

Preview Lab → · Contrast checker → · Palette generator →