#28839C#28839C

#28839C is a mid, moderate cyan. Relative luminance 0.191; OKLCH L 56.9% C 0.091 H 220.3°. Best body text is #000000 at 4.82:1 contrast (WCAG AA passes).

Color values

HEX	#28839C
RGB	rgb(40, 131, 156)
HSL	hsl(193, 59%, 38%)
HSV	hsv(193, 74%, 61%)
CMYK	cmyk(74.4%, 16%, 0%, 38.8%)
CIE-LAB	lab(50.78, -17.72, -20.99)
CIE-LCH	lch(50.78, 27.47, 229.83°)
OKLab	oklab(56.85% -0.0692 -0.0587)
OKLCH	oklch(56.85% 0.091 220.3)
XYZ	xyz(14.9896, 19.0823, 34.3393)
Luminance	0.1908 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28839C #9C4128

analogous

#289C7B #28839C #28499C

triadic

#28839C #9C2883 #839C28

tetradic

#28839C #7B289C #9C4128 #499C28

square

#28839C #7B289C #9C4128 #499C28

split-complementary

#28839C #9C2849 #9C7B28

monochromatic

#0F313B #1C5A6B #28839C #36ABCB #67BFD8

Accessibility & contrast

On white

4.36

#28839C on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.82

#28839C on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #28839C

4.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28839C	#FFFFFF	#000000	##000000
##28839C	1.00	4.36	4.82	4.82
#FFFFFF	4.36	1.00	21.00	21.00
#000000	4.82	21.00	1.00	1.00
##000000	4.82	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#747F9D

Deuteranopia (green-blind)

#64749C

Tritanopia (blue-blind)

#008B8B

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #28839c;
/* rgb */ color: rgb(40, 131, 156);
/* oklch */ color: oklch(56.9% 0.091 220.3);

Tailwind

colors: {
  custom: {
    50: '#73a7b9',
    500: '#28839c',
    950: '#000000',
  },
}

SCSS

$custom: #28839c;
$custom-light: #73a7b9;
$custom-dark: #000000;

JSON

{
  "hex": "#28839c",
  "rgb": {
    "r": 40,
    "g": 131,
    "b": 156
  },
  "hsl": {
    "h": 192.931,
    "s": 59.184,
    "l": 38.431
  },
  "oklch": {
    "l": 0.56854,
    "c": 0.09071,
    "h": 220.3
  },
  "luminance": 0.19084
}

Semantic roles & 50–950 ramp

primary

#28839C

secondary

#BE7662

accent

#6745E2

background

#F7FAFB

surface

#EDF4F6

border

#C8CED0

text

#090F11

muted

#7B7F80

Preview Lab

Preview with #28839C

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

Preview Lab → · Contrast checker → · Palette generator →