#28A4BD#28A4BD

#28A4BD is a light, moderate cyan. Relative luminance 0.307; OKLCH L 66.5% C 0.108 H 215.1°. Best body text is #000000 at 7.14:1 contrast (WCAG AA passes).

Color values

HEX	#28A4BD
RGB	rgb(40, 164, 189)
HSL	hsl(190, 65%, 45%)
HSV	hsv(190, 79%, 74%)
CMYK	cmyk(78.8%, 13.2%, 0%, 25.9%)
CIE-LAB	lab(62.23, -24.13, -22.27)
CIE-LCH	lch(62.23, 32.84, 222.70°)
OKLab	oklab(66.48% -0.0886 -0.0622)
OKLCH	oklch(66.48% 0.108 215.1)
XYZ	xyz(23.3319, 30.6733, 52.8251)
Luminance	0.3068 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28A4BD #BD4128

analogous

#28BD8C #28A4BD #285ABD

triadic

#28A4BD #BD28A4 #A4BD28

tetradic

#28A4BD #8C28BD #BD4128 #5ABD28

square

#28A4BD #8C28BD #BD4128 #5ABD28

split-complementary

#28A4BD #BD285A #BD8C28

monochromatic

#134C58 #1D788A #28A4BD #4AC1D9 #7CD2E3

Accessibility & contrast

On white

2.94

#28A4BD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.14

#28A4BD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #28A4BD

7.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28A4BD	#FFFFFF	#000000	##000000
##28A4BD	1.00	2.94	7.14	7.14
#FFFFFF	2.94	1.00	21.00	21.00
#000000	7.14	21.00	1.00	1.00
##000000	7.14	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#939FBE

Deuteranopia (green-blind)

#7F90BD

Tritanopia (blue-blind)

#00ADAC

Achromatopsia (no color)

#969696

Design tokens & code

CSS

--color: #28a4bd;
/* rgb */ color: rgb(40, 164, 189);
/* oklch */ color: oklch(66.5% 0.108 215.1);

Tailwind

colors: {
  custom: {
    50: '#7bbfd1',
    500: '#28a4bd',
    950: '#000000',
  },
}

SCSS

$custom: #28a4bd;
$custom-light: #7bbfd1;
$custom-dark: #000000;

JSON

{
  "hex": "#28a4bd",
  "rgb": {
    "r": 40,
    "g": 164,
    "b": 189
  },
  "hsl": {
    "h": 190.067,
    "s": 65.066,
    "l": 44.902
  },
  "oklch": {
    "l": 0.66481,
    "c": 0.10828,
    "h": 215.1
  },
  "luminance": 0.30676
}

Semantic roles & 50–950 ramp

primary

#28A4BD

secondary

#CB8475

accent

#5C40E8

background

#F8FBFC

surface

#EFF7F9

border

#CAD0D2

text

#0B1214

muted

#7C8182

Preview Lab

Preview with #28A4BD

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

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