#28536F#28536F

#28536F is a dark, moderate cyan. Relative luminance 0.078; OKLCH L 42.4% C 0.067 H 239.5°. Best body text is #FFFFFF at 8.21:1 contrast (WCAG AA passes).

Color values

HEX	#28536F
RGB	rgb(40, 83, 111)
HSL	hsl(204, 47%, 30%)
HSV	hsv(204, 64%, 44%)
CMYK	cmyk(64%, 25.2%, 0%, 56.5%)
CIE-LAB	lab(33.53, -5.55, -20.53)
CIE-LCH	lch(33.53, 21.27, 254.86°)
OKLab	oklab(42.44% -0.0339 -0.0576)
OKLCH	oklch(42.44% 0.067 239.5)
XYZ	xyz(6.8365, 7.7847, 16.1782)
Luminance	0.0779 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28536F #6F4428

analogous

#286F68 #28536F #28306F

triadic

#28536F #6F2853 #536F28

tetradic

#28536F #68286F #6F4428 #306F28

square

#28536F #68286F #6F4428 #306F28

split-complementary

#28536F #6F2830 #6F6828

monochromatic

#081116 #183142 #28536F #38759C #5194C0

Accessibility & contrast

On white

8.21

#28536F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.56

#28536F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28536F

8.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28536F	#FFFFFF	#000000	##FFFFFF
##28536F	1.00	8.21	2.56	8.21
#FFFFFF	8.21	1.00	21.00	1.00
#000000	2.56	21.00	1.00	21.00
##FFFFFF	8.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#465370

Deuteranopia (green-blind)

#3D4C6F

Tritanopia (blue-blind)

#005A5C

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #28536f;
/* rgb */ color: rgb(40, 83, 111);
/* oklch */ color: oklch(42.4% 0.067 239.5);

Tailwind

colors: {
  custom: {
    50: '#698398',
    500: '#28536f',
    950: '#000000',
  },
}

SCSS

$custom: #28536f;
$custom-light: #698398;
$custom-dark: #000000;

JSON

{
  "hex": "#28536f",
  "rgb": {
    "r": 40,
    "g": 83,
    "b": 111
  },
  "hsl": {
    "h": 203.662,
    "s": 47.02,
    "l": 29.608
  },
  "oklch": {
    "l": 0.42444,
    "c": 0.06682,
    "h": 239.5
  },
  "luminance": 0.07785
}

Semantic roles & 50–950 ramp

primary

#28536F

secondary

#A17151

accent

#8651D7

background

#F6F8F9

surface

#EBEFF2

border

#C6CACC

text

#070A0D

muted

#7A7C7E

Preview Lab

Preview with #28536F

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

Preview Lab → · Contrast checker → · Palette generator →