#28588D#28588D

#28588D is a mid, moderate cyan. Relative luminance 0.094; OKLCH L 45.4% C 0.101 H 252.9°. Best body text is #FFFFFF at 7.32:1 contrast (WCAG AA passes).

Color values

HEX	#28588D
RGB	rgb(40, 88, 141)
HSL	hsl(211, 56%, 35%)
HSV	hsv(211, 72%, 55%)
CMYK	cmyk(71.6%, 37.6%, 0%, 44.7%)
CIE-LAB	lab(36.65, 2.37, -34.11)
CIE-LCH	lch(36.65, 34.19, 273.97°)
OKLab	oklab(45.41% -0.0298 -0.097)
OKLCH	oklch(45.41% 0.101 252.9)
XYZ	xyz(9.1707, 9.3527, 26.5161)
Luminance	0.0935 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28588D #8D5D28

analogous

#288A8D #28588D #2A288D

triadic

#28588D #8D2858 #588D28

tetradic

#28588D #8D288A #8D5D28 #288D2A

square

#28588D #8D288A #8D5D28 #288D2A

split-complementary

#28588D #8D2A28 #8A8D28

monochromatic

#0D1C2E #1A3A5D #28588D #3676BD #5E95D1

Accessibility & contrast

On white

7.32

#28588D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.87

#28588D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28588D

7.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28588D	#FFFFFF	#000000	##FFFFFF
##28588D	1.00	7.32	2.87	7.32
#FFFFFF	7.32	1.00	21.00	1.00
#000000	2.87	21.00	1.00	21.00
##FFFFFF	7.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#405B8F

Deuteranopia (green-blind)

#31528C

Tritanopia (blue-blind)

#00646C

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #28588d;
/* rgb */ color: rgb(40, 88, 141);
/* oklch */ color: oklch(45.4% 0.101 252.9);

Tailwind

colors: {
  custom: {
    50: '#6f86ae',
    500: '#28588d',
    950: '#000000',
  },
}

SCSS

$custom: #28588d;
$custom-light: #6f86ae;
$custom-dark: #000000;

JSON

{
  "hex": "#28588d",
  "rgb": {
    "r": 40,
    "g": 88,
    "b": 141
  },
  "hsl": {
    "h": 211.485,
    "s": 55.801,
    "l": 35.49
  },
  "oklch": {
    "l": 0.45409,
    "c": 0.10149,
    "h": 252.9
  },
  "luminance": 0.09354
}

Semantic roles & 50–950 ramp

primary

#28588D

secondary

#B78B5A

accent

#9849DF

background

#F7F8FA

surface

#EDEFF4

border

#C8CACE

text

#080B10

muted

#7B7C7F

Preview Lab

Preview with #28588D

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

Preview Lab → · Contrast checker → · Palette generator →