#28228D#28228D

#28228D is a dark, vivid blue. Relative luminance 0.035; OKLCH L 34.4% C 0.168 H 275.4°. Best body text is #FFFFFF at 12.33:1 contrast (WCAG AA passes).

Color values

HEX	#28228D
RGB	rgb(40, 34, 141)
HSL	hsl(243, 61%, 34%)
HSV	hsv(243, 76%, 55%)
CMYK	cmyk(71.6%, 75.9%, 0%, 44.7%)
CIE-LAB	lab(22.01, 38.02, -57.82)
CIE-LCH	lch(22.01, 69.20, 303.33°)
OKLab	oklab(34.4% 0.0159 -0.1671)
OKLCH	oklch(34.4% 0.168 275.4)
XYZ	xyz(6.2532, 3.5177, 25.5436)
Luminance	0.0352 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28228D #878D22

analogous

#22528D #28228D #5D228D

triadic

#28228D #8D2822 #228D28

tetradic

#28228D #8D2252 #878D22 #228D5D

square

#28228D #8D2252 #878D22 #228D5D

split-complementary

#28228D #8D5D22 #528D22

monochromatic

#0C0A2A #1A165C #28228D #362EBE #5B54D6

Accessibility & contrast

On white

12.33

#28228D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#28228D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28228D

12.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28228D	#FFFFFF	#000000	##FFFFFF
##28228D	1.00	12.33	1.70	12.33
#FFFFFF	12.33	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003990

Deuteranopia (green-blind)

#00308B

Tritanopia (blue-blind)

#004156

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #28228d;
/* rgb */ color: rgb(40, 34, 141);
/* oklch */ color: oklch(34.4% 0.168 275.4);

Tailwind

colors: {
  custom: {
    50: '#725faf',
    500: '#28228d',
    950: '#000000',
  },
}

SCSS

$custom: #28228d;
$custom-light: #725faf;
$custom-dark: #000000;

JSON

{
  "hex": "#28228d",
  "rgb": {
    "r": 40,
    "g": 34,
    "b": 141
  },
  "hsl": {
    "h": 243.364,
    "s": 61.143,
    "l": 34.314
  },
  "oklch": {
    "l": 0.34401,
    "c": 0.1679,
    "h": 275.4
  },
  "luminance": 0.03518
}

Semantic roles & 50–950 ramp

primary

#28228D

secondary

#B4B951

accent

#E444DB

background

#F7F5FA

surface

#EDE9F5

border

#C8C5CF

text

#090411

muted

#7B7980

Preview Lab

Preview with #28228D

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

Preview Lab → · Contrast checker → · Palette generator →