#28229A#28229A

#28229A is a dark, vivid blue. Relative luminance 0.039; OKLCH L 35.8% C 0.184 H 274.1°. Best body text is #FFFFFF at 11.76:1 contrast (WCAG AA passes).

Color values

HEX	#28229A
RGB	rgb(40, 34, 154)
HSL	hsl(243, 64%, 37%)
HSV	hsv(243, 78%, 60%)
CMYK	cmyk(74%, 77.9%, 0%, 39.6%)
CIE-LAB	lab(23.43, 42.36, -63.50)
CIE-LCH	lch(23.43, 76.34, 303.71°)
OKLab	oklab(35.83% 0.0131 -0.1837)
OKLCH	oklch(35.83% 0.184 274.1)
XYZ	xyz(7.2779, 3.9275, 30.9401)
Luminance	0.0393 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28229A #949A22

analogous

#22589A #28229A #64229A

triadic

#28229A #9A2822 #229A28

tetradic

#28229A #9A2258 #949A22 #229A64

square

#28229A #9A2258 #949A22 #229A64

split-complementary

#28229A #9A6422 #589A22

monochromatic

#0E0C36 #1B1768 #28229A #352DCC #625BDB

Accessibility & contrast

On white

11.76

#28229A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#28229A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28229A

11.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28229A	#FFFFFF	#000000	##FFFFFF
##28229A	1.00	11.76	1.79	11.76
#FFFFFF	11.76	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D9D

Deuteranopia (green-blind)

#003298

Tritanopia (blue-blind)

#00465D

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #28229a;
/* rgb */ color: rgb(40, 34, 154);
/* oklch */ color: oklch(35.8% 0.184 274.1);

Tailwind

colors: {
  custom: {
    50: '#755fb9',
    500: '#28229a',
    950: '#000000',
  },
}

SCSS

$custom: #28229a;
$custom-light: #755fb9;
$custom-dark: #000000;

JSON

{
  "hex": "#28229a",
  "rgb": {
    "r": 40,
    "g": 34,
    "b": 154
  },
  "hsl": {
    "h": 243,
    "s": 63.83,
    "l": 36.863
  },
  "oklch": {
    "l": 0.35827,
    "c": 0.18416,
    "h": 274.1
  },
  "luminance": 0.03928
}

Semantic roles & 50–950 ramp

primary

#28229A

secondary

#BABF58

accent

#E741DF

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0512

muted

#7C7981

Preview Lab

Preview with #28229A

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

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