#28A1BB#28A1BB

#28A1BB is a light, moderate cyan. Relative luminance 0.295; OKLCH L 65.7% C 0.107 H 216.2°. Best body text is #000000 at 6.91:1 contrast (WCAG AA passes).

Color values

HEX	#28A1BB
RGB	rgb(40, 161, 187)
HSL	hsl(191, 65%, 45%)
HSV	hsv(191, 79%, 73%)
CMYK	cmyk(78.6%, 13.9%, 0%, 26.7%)
CIE-LAB	lab(61.24, -23.25, -22.66)
CIE-LCH	lch(61.24, 32.47, 224.27°)
OKLab	oklab(65.66% -0.0865 -0.0633)
OKLCH	oklch(65.66% 0.107 216.2)
XYZ	xyz(22.5857, 29.5259, 51.5128)
Luminance	0.2953 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28A1BB #BB4228

analogous

#28BB8C #28A1BB #2858BB

triadic

#28A1BB #BB28A1 #A1BB28

tetradic

#28A1BB #8C28BB #BB4228 #58BB28

square

#28A1BB #8C28BB #BB4228 #58BB28

split-complementary

#28A1BB #BB2858 #BB8C28

monochromatic

#124A56 #1D7689 #28A1BB #48BFD8 #7BD0E3

Accessibility & contrast

On white

3.04

#28A1BB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.91

#28A1BB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #28A1BB

6.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28A1BB	#FFFFFF	#000000	##000000
##28A1BB	1.00	3.04	6.91	6.91
#FFFFFF	3.04	1.00	21.00	21.00
#000000	6.91	21.00	1.00	1.00
##000000	6.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8F9CBC

Deuteranopia (green-blind)

#7C8EBB

Tritanopia (blue-blind)

#00AAA9

Achromatopsia (no color)

#949494

Design tokens & code

CSS

--color: #28a1bb;
/* rgb */ color: rgb(40, 161, 187);
/* oklch */ color: oklch(65.7% 0.107 216.2);

Tailwind

colors: {
  custom: {
    50: '#7bbdcf',
    500: '#28a1bb',
    950: '#000000',
  },
}

SCSS

$custom: #28a1bb;
$custom-light: #7bbdcf;
$custom-dark: #000000;

JSON

{
  "hex": "#28a1bb",
  "rgb": {
    "r": 40,
    "g": 161,
    "b": 187
  },
  "hsl": {
    "h": 190.612,
    "s": 64.758,
    "l": 44.51
  },
  "oklch": {
    "l": 0.6566,
    "c": 0.10723,
    "h": 216.2
  },
  "luminance": 0.29529
}

Semantic roles & 50–950 ramp

primary

#28A1BB

secondary

#CB8374

accent

#5E40E8

background

#F8FBFC

surface

#EFF6F9

border

#CAD0D2

text

#0B1213

muted

#7C8182

Preview Lab

Preview with #28A1BB

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

Preview Lab → · Contrast checker → · Palette generator →