#28A0B9#28A0B9

#28A0B9 is a light, moderate cyan. Relative luminance 0.291; OKLCH L 65.3% C 0.106 H 215.6°. Best body text is #000000 at 6.82:1 contrast (WCAG AA passes).

Color values

HEX	#28A0B9
RGB	rgb(40, 160, 185)
HSL	hsl(190, 64%, 44%)
HSV	hsv(190, 78%, 73%)
CMYK	cmyk(78.4%, 13.5%, 0%, 27.5%)
CIE-LAB	lab(60.86, -23.39, -22.12)
CIE-LCH	lch(60.86, 32.19, 223.40°)
OKLab	oklab(65.33% -0.0864 -0.0618)
OKLCH	oklch(65.33% 0.106 215.6)
XYZ	xyz(22.1991, 29.0928, 50.3350)
Luminance	0.2910 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28A0B9 #B94128

analogous

#28B98A #28A0B9 #2858B9

triadic

#28A0B9 #B928A0 #A0B928

tetradic

#28A0B9 #8A28B9 #B94128 #58B928

square

#28A0B9 #8A28B9 #B94128 #58B928

split-complementary

#28A0B9 #B92858 #B98A28

monochromatic

#124954 #1D7487 #28A0B9 #47BED7 #79D0E2

Accessibility & contrast

On white

3.08

#28A0B9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.82

#28A0B9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #28A0B9

6.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28A0B9	#FFFFFF	#000000	##000000
##28A0B9	1.00	3.08	6.82	6.82
#FFFFFF	3.08	1.00	21.00	21.00
#000000	6.82	21.00	1.00	1.00
##000000	6.82	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8F9BBA

Deuteranopia (green-blind)

#7B8DB9

Tritanopia (blue-blind)

#00A9A8

Achromatopsia (no color)

#939393

Design tokens & code

CSS

--color: #28a0b9;
/* rgb */ color: rgb(40, 160, 185);
/* oklch */ color: oklch(65.3% 0.106 215.6);

Tailwind

colors: {
  custom: {
    50: '#7abcce',
    500: '#28a0b9',
    950: '#000000',
  },
}

SCSS

$custom: #28a0b9;
$custom-light: #7abcce;
$custom-dark: #000000;

JSON

{
  "hex": "#28a0b9",
  "rgb": {
    "r": 40,
    "g": 160,
    "b": 185
  },
  "hsl": {
    "h": 190.345,
    "s": 64.444,
    "l": 44.118
  },
  "oklch": {
    "l": 0.6533,
    "c": 0.1062,
    "h": 215.6
  },
  "luminance": 0.29096
}

Semantic roles & 50–950 ramp

primary

#28A0B9

secondary

#CA8273

accent

#5D40E7

background

#F8FBFC

surface

#EFF6F9

border

#CAD0D2

text

#0B1213

muted

#7C8182

Preview Lab

Preview with #28A0B9

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

Preview Lab → · Contrast checker → · Palette generator →