#28228F#28228F

#28228F is a dark, vivid blue. Relative luminance 0.036; OKLCH L 34.6% C 0.170 H 275.2°. Best body text is #FFFFFF at 12.24:1 contrast (WCAG AA passes).

Color values

HEX	#28228F
RGB	rgb(40, 34, 143)
HSL	hsl(243, 62%, 35%)
HSV	hsv(243, 76%, 56%)
CMYK	cmyk(72%, 76.2%, 0%, 43.9%)
CIE-LAB	lab(22.22, 38.70, -58.71)
CIE-LCH	lch(22.22, 70.31, 303.39°)
OKLab	oklab(34.62% 0.0155 -0.1697)
OKLCH	oklch(34.62% 0.17 275.2)
XYZ	xyz(6.4034, 3.5777, 26.3344)
Luminance	0.0358 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28228F #898F22

analogous

#22528F #28228F #5F228F

triadic

#28228F #8F2822 #228F28

tetradic

#28228F #8F2252 #898F22 #228F5F

square

#28228F #8F2252 #898F22 #228F5F

split-complementary

#28228F #8F5F22 #528F22

monochromatic

#0C0A2C #1A165E #28228F #362EC0 #5C55D7

Accessibility & contrast

On white

12.24

#28228F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#28228F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28228F

12.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28228F	#FFFFFF	#000000	##FFFFFF
##28228F	1.00	12.24	1.72	12.24
#FFFFFF	12.24	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A92

Deuteranopia (green-blind)

#00308D

Tritanopia (blue-blind)

#004257

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #28228f;
/* rgb */ color: rgb(40, 34, 143);
/* oklch */ color: oklch(34.6% 0.170 275.2);

Tailwind

colors: {
  custom: {
    50: '#735fb1',
    500: '#28228f',
    950: '#000000',
  },
}

SCSS

$custom: #28228f;
$custom-light: #735fb1;
$custom-dark: #000000;

JSON

{
  "hex": "#28228f",
  "rgb": {
    "r": 40,
    "g": 34,
    "b": 143
  },
  "hsl": {
    "h": 243.303,
    "s": 61.582,
    "l": 34.706
  },
  "oklch": {
    "l": 0.34618,
    "c": 0.17044,
    "h": 275.2
  },
  "luminance": 0.03578
}

Semantic roles & 50–950 ramp

primary

#28228F

secondary

#B5BA52

accent

#E543DC

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090511

muted

#7B7980

Preview Lab

Preview with #28228F

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

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