#28A3BD#28A3BD

#28A3BD is a light, moderate cyan. Relative luminance 0.303; OKLCH L 66.2% C 0.108 H 215.9°. Best body text is #000000 at 7.06:1 contrast (WCAG AA passes).

Color values

HEX	#28A3BD
RGB	rgb(40, 163, 189)
HSL	hsl(190, 65%, 45%)
HSV	hsv(190, 79%, 74%)
CMYK	cmyk(78.8%, 13.8%, 0%, 25.9%)
CIE-LAB	lab(61.93, -23.62, -22.74)
CIE-LCH	lch(61.93, 32.79, 223.91°)
OKLab	oklab(66.24% -0.0877 -0.0635)
OKLCH	oklch(66.24% 0.108 215.9)
XYZ	xyz(23.1536, 30.3168, 52.7657)
Luminance	0.3032 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28A3BD #BD4228

analogous

#28BD8D #28A3BD #2858BD

triadic

#28A3BD #BD28A3 #A3BD28

tetradic

#28A3BD #8D28BD #BD4228 #58BD28

square

#28A3BD #8D28BD #BD4228 #58BD28

split-complementary

#28A3BD #BD2858 #BD8D28

monochromatic

#134C58 #1D778A #28A3BD #4AC0D9 #7CD1E3

Accessibility & contrast

On white

2.97

#28A3BD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.06

#28A3BD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #28A3BD

7.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28A3BD	#FFFFFF	#000000	##000000
##28A3BD	1.00	2.97	7.06	7.06
#FFFFFF	2.97	1.00	21.00	21.00
#000000	7.06	21.00	1.00	1.00
##000000	7.06	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#919EBE

Deuteranopia (green-blind)

#7E8FBD

Tritanopia (blue-blind)

#00ACAB

Achromatopsia (no color)

#969696

Design tokens & code

CSS

--color: #28a3bd;
/* rgb */ color: rgb(40, 163, 189);
/* oklch */ color: oklch(66.2% 0.108 215.9);

Tailwind

colors: {
  custom: {
    50: '#7bbed1',
    500: '#28a3bd',
    950: '#000000',
  },
}

SCSS

$custom: #28a3bd;
$custom-light: #7bbed1;
$custom-dark: #000000;

JSON

{
  "hex": "#28a3bd",
  "rgb": {
    "r": 40,
    "g": 163,
    "b": 189
  },
  "hsl": {
    "h": 190.47,
    "s": 65.066,
    "l": 44.902
  },
  "oklch": {
    "l": 0.66235,
    "c": 0.10826,
    "h": 215.9
  },
  "luminance": 0.3032
}

Semantic roles & 50–950 ramp

primary

#28A3BD

secondary

#CB8475

accent

#5D40E8

background

#F8FBFC

surface

#EFF7F9

border

#CAD0D2

text

#0B1214

muted

#7C8182

Preview Lab

Preview with #28A3BD

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

Preview Lab → · Contrast checker → · Palette generator →