#28218A#28218A

#28218A is a dark, vivid blue. Relative luminance 0.034; OKLCH L 33.9% C 0.165 H 275.9°. Best body text is #FFFFFF at 12.54:1 contrast (WCAG AA passes).

Color values

HEX	#28218A
RGB	rgb(40, 33, 138)
HSL	hsl(244, 61%, 34%)
HSV	hsv(244, 76%, 54%)
CMYK	cmyk(71%, 76.1%, 0%, 45.9%)
CIE-LAB	lab(21.48, 37.58, -56.82)
CIE-LCH	lch(21.48, 68.12, 303.49°)
OKLab	oklab(33.93% 0.0171 -0.1642)
OKLCH	oklch(33.93% 0.165 275.9)
XYZ	xyz(6.0049, 3.3733, 24.3745)
Luminance	0.0337 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28218A #838A21

analogous

#214E8A #28218A #5C218A

triadic

#28218A #8A2821 #218A28

tetradic

#28218A #8A214E #838A21 #218A5C

square

#28218A #8A214E #838A21 #218A5C

split-complementary

#28218A #8A5C21 #4E8A21

monochromatic

#0B0927 #1A1559 #28218A #362DBB #5950D5

Accessibility & contrast

On white

12.54

#28218A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#28218A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28218A

12.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28218A	#FFFFFF	#000000	##FFFFFF
##28218A	1.00	12.54	1.67	12.54
#FFFFFF	12.54	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00388D

Deuteranopia (green-blind)

#002F88

Tritanopia (blue-blind)

#003F54

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #28218a;
/* rgb */ color: rgb(40, 33, 138);
/* oklch */ color: oklch(33.9% 0.165 275.9);

Tailwind

colors: {
  custom: {
    50: '#715ead',
    500: '#28218a',
    950: '#000000',
  },
}

SCSS

$custom: #28218a;
$custom-light: #715ead;
$custom-dark: #000000;

JSON

{
  "hex": "#28218a",
  "rgb": {
    "r": 40,
    "g": 33,
    "b": 138
  },
  "hsl": {
    "h": 244,
    "s": 61.404,
    "l": 33.529
  },
  "oklch": {
    "l": 0.33932,
    "c": 0.16512,
    "h": 275.9
  },
  "luminance": 0.03374
}

Semantic roles & 50–950 ramp

primary

#28218A

secondary

#B1B94E

accent

#E543DA

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#090410

muted

#7B797F

Preview Lab

Preview with #28218A

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

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