#28A2BB#28A2BB

#28A2BB is a light, moderate cyan. Relative luminance 0.299; OKLCH L 65.9% C 0.107 H 215.3°. Best body text is #000000 at 6.98:1 contrast (WCAG AA passes).

Color values

HEX	#28A2BB
RGB	rgb(40, 162, 187)
HSL	hsl(190, 65%, 45%)
HSV	hsv(190, 79%, 73%)
CMYK	cmyk(78.6%, 13.4%, 0%, 26.7%)
CIE-LAB	lab(61.55, -23.76, -22.20)
CIE-LCH	lch(61.55, 32.52, 223.05°)
OKLab	oklab(65.91% -0.0875 -0.062)
OKLCH	oklch(65.91% 0.107 215.3)
XYZ	xyz(22.7612, 29.8768, 51.5713)
Luminance	0.2988 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28A2BB #BB4128

analogous

#28BB8B #28A2BB #2859BB

triadic

#28A2BB #BB28A2 #A2BB28

tetradic

#28A2BB #8B28BB #BB4128 #59BB28

square

#28A2BB #8B28BB #BB4128 #59BB28

split-complementary

#28A2BB #BB2859 #BB8B28

monochromatic

#124B56 #1D7689 #28A2BB #48BFD8 #7BD1E3

Accessibility & contrast

On white

3.01

#28A2BB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.98

#28A2BB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #28A2BB

6.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28A2BB	#FFFFFF	#000000	##000000
##28A2BB	1.00	3.01	6.98	6.98
#FFFFFF	3.01	1.00	21.00	21.00
#000000	6.98	21.00	1.00	1.00
##000000	6.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#919DBC

Deuteranopia (green-blind)

#7D8EBB

Tritanopia (blue-blind)

#00ABAA

Achromatopsia (no color)

#959595

Design tokens & code

CSS

--color: #28a2bb;
/* rgb */ color: rgb(40, 162, 187);
/* oklch */ color: oklch(65.9% 0.107 215.3);

Tailwind

colors: {
  custom: {
    50: '#7bbdcf',
    500: '#28a2bb',
    950: '#000000',
  },
}

SCSS

$custom: #28a2bb;
$custom-light: #7bbdcf;
$custom-dark: #000000;

JSON

{
  "hex": "#28a2bb",
  "rgb": {
    "r": 40,
    "g": 162,
    "b": 187
  },
  "hsl": {
    "h": 190.204,
    "s": 64.758,
    "l": 44.51
  },
  "oklch": {
    "l": 0.65906,
    "c": 0.10724,
    "h": 215.3
  },
  "luminance": 0.2988
}

Semantic roles & 50–950 ramp

primary

#28A2BB

secondary

#CB8374

accent

#5D40E8

background

#F8FBFC

surface

#EFF6F9

border

#CAD0D2

text

#0B1213

muted

#7C8182

Preview Lab

Preview with #28A2BB

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

Preview Lab → · Contrast checker → · Palette generator →