#28A3BC#28A3BC

#28A3BC is a light, moderate cyan. Relative luminance 0.303; OKLCH L 66.2% C 0.108 H 215.2°. Best body text is #000000 at 7.06:1 contrast (WCAG AA passes).

Color values

HEX	#28A3BC
RGB	rgb(40, 163, 188)
HSL	hsl(190, 65%, 45%)
HSV	hsv(190, 79%, 74%)
CMYK	cmyk(78.7%, 13.3%, 0%, 26.3%)
CIE-LAB	lab(61.89, -23.95, -22.23)
CIE-LCH	lch(61.89, 32.68, 222.88°)
OKLab	oklab(66.19% -0.0881 -0.0621)
OKLCH	oklch(66.19% 0.108 215.2)
XYZ	xyz(23.0455, 30.2735, 52.1960)
Luminance	0.3028 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28A3BC #BC4128

analogous

#28BC8B #28A3BC #2859BC

triadic

#28A3BC #BC28A3 #A3BC28

tetradic

#28A3BC #8B28BC #BC4128 #59BC28

square

#28A3BC #8B28BC #BC4128 #59BC28

split-complementary

#28A3BC #BC2859 #BC8B28

monochromatic

#134B57 #1D778A #28A3BC #49C0D8 #7BD2E3

Accessibility & contrast

On white

2.98

#28A3BC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.06

#28A3BC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #28A3BC

7.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28A3BC	#FFFFFF	#000000	##000000
##28A3BC	1.00	2.98	7.06	7.06
#FFFFFF	2.98	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)

#929EBD

Deuteranopia (green-blind)

#7E8FBC

Tritanopia (blue-blind)

#00ACAB

Achromatopsia (no color)

#969696

Design tokens & code

CSS

--color: #28a3bc;
/* rgb */ color: rgb(40, 163, 188);
/* oklch */ color: oklch(66.2% 0.108 215.2);

Tailwind

colors: {
  custom: {
    50: '#7bbed0',
    500: '#28a3bc',
    950: '#000000',
  },
}

SCSS

$custom: #28a3bc;
$custom-light: #7bbed0;
$custom-dark: #000000;

JSON

{
  "hex": "#28a3bc",
  "rgb": {
    "r": 40,
    "g": 163,
    "b": 188
  },
  "hsl": {
    "h": 190.135,
    "s": 64.912,
    "l": 44.706
  },
  "oklch": {
    "l": 0.66193,
    "c": 0.10776,
    "h": 215.2
  },
  "luminance": 0.30276
}

Semantic roles & 50–950 ramp

primary

#28A3BC

secondary

#CB8375

accent

#5C40E8

background

#F8FBFC

surface

#EFF7F9

border

#CAD0D2

text

#0B1214

muted

#7C8182

Preview Lab

Preview with #28A3BC

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

Preview Lab → · Contrast checker → · Palette generator →