#28228C#28228C

#28228C is a dark, vivid blue. Relative luminance 0.035; OKLCH L 34.3% C 0.167 H 275.5°. Best body text is #FFFFFF at 12.37:1 contrast (WCAG AA passes).

Color values

HEX	#28228C
RGB	rgb(40, 34, 140)
HSL	hsl(243, 61%, 34%)
HSV	hsv(243, 76%, 55%)
CMYK	cmyk(71.4%, 75.7%, 0%, 45.1%)
CIE-LAB	lab(21.90, 37.68, -57.37)
CIE-LCH	lch(21.90, 68.64, 303.30°)
OKLab	oklab(34.29% 0.0161 -0.1658)
OKLCH	oklch(34.29% 0.167 275.5)
XYZ	xyz(6.1792, 3.4880, 25.1535)
Luminance	0.0349 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28228C #868C22

analogous

#22518C #28228C #5D228C

triadic

#28228C #8C2822 #228C28

tetradic

#28228C #8C2251 #868C22 #228C5D

square

#28228C #8C2251 #868C22 #228C5D

split-complementary

#28228C #8C5D22 #518C22

monochromatic

#0C0A2A #1A165B #28228C #362EBD #5B53D5

Accessibility & contrast

On white

12.37

#28228C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#28228C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28228C

12.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28228C	#FFFFFF	#000000	##FFFFFF
##28228C	1.00	12.37	1.70	12.37
#FFFFFF	12.37	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00398F

Deuteranopia (green-blind)

#00308A

Tritanopia (blue-blind)

#004055

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #28228c;
/* rgb */ color: rgb(40, 34, 140);
/* oklch */ color: oklch(34.3% 0.167 275.5);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#28228c",
  "rgb": {
    "r": 40,
    "g": 34,
    "b": 140
  },
  "hsl": {
    "h": 243.396,
    "s": 60.92,
    "l": 34.118
  },
  "oklch": {
    "l": 0.34294,
    "c": 0.16663,
    "h": 275.5
  },
  "luminance": 0.03489
}

Semantic roles & 50–950 ramp

primary

#28228C

secondary

#B3B951

accent

#E444DB

background

#F7F5FA

surface

#EDE9F5

border

#C8C5CF

text

#090410

muted

#7B797F

Preview Lab

Preview with #28228C

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

Preview Lab → · Contrast checker → · Palette generator →