#28218C#28218C

#28218C is a dark, vivid blue. Relative luminance 0.034; OKLCH L 34.1% C 0.168 H 275.7°. Best body text is #FFFFFF at 12.45:1 contrast (WCAG AA passes).

Color values

HEX	#28218C
RGB	rgb(40, 33, 140)
HSL	hsl(244, 62%, 34%)
HSV	hsv(244, 76%, 55%)
CMYK	cmyk(71.4%, 76.4%, 0%, 45.1%)
CIE-LAB	lab(21.70, 38.26, -57.71)
CIE-LCH	lch(21.70, 69.24, 303.54°)
OKLab	oklab(34.15% 0.0167 -0.1668)
OKLCH	oklch(34.15% 0.168 275.7)
XYZ	xyz(6.1510, 3.4317, 25.1441)
Luminance	0.0343 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28218C #858C21

analogous

#21508C #28218C #5E218C

triadic

#28218C #8C2821 #218C28

tetradic

#28218C #8C2150 #858C21 #218C5E

square

#28218C #8C2150 #858C21 #218C5E

split-complementary

#28218C #8C5E21 #508C21

monochromatic

#0C0A29 #1A155A #28218C #362DBE #5A51D6

Accessibility & contrast

On white

12.45

#28218C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#28218C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28218C

12.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28218C	#FFFFFF	#000000	##FFFFFF
##28218C	1.00	12.45	1.69	12.45
#FFFFFF	12.45	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00398F

Deuteranopia (green-blind)

#002F8A

Tritanopia (blue-blind)

#004055

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #28218c;
/* rgb */ color: rgb(40, 33, 140);
/* oklch */ color: oklch(34.1% 0.168 275.7);

Tailwind

colors: {
  custom: {
    50: '#725eaf',
    500: '#28218c',
    950: '#000000',
  },
}

SCSS

$custom: #28218c;
$custom-light: #725eaf;
$custom-dark: #000000;

JSON

{
  "hex": "#28218c",
  "rgb": {
    "r": 40,
    "g": 33,
    "b": 140
  },
  "hsl": {
    "h": 243.925,
    "s": 61.85,
    "l": 33.922
  },
  "oklch": {
    "l": 0.34148,
    "c": 0.16766,
    "h": 275.7
  },
  "luminance": 0.03432
}

Semantic roles & 50–950 ramp

primary

#28218C

secondary

#B3B94F

accent

#E543DA

background

#F7F5FA

surface

#EDE9F5

border

#C8C5CF

text

#090410

muted

#7B797F

Preview Lab

Preview with #28218C

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

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