#28229E#28229E

#28229E is a dark, vivid blue. Relative luminance 0.041; OKLCH L 36.3% C 0.189 H 273.7°. Best body text is #FFFFFF at 11.58:1 contrast (WCAG AA passes).

Color values

HEX	#28229E
RGB	rgb(40, 34, 158)
HSL	hsl(243, 65%, 38%)
HSV	hsv(243, 78%, 62%)
CMYK	cmyk(74.7%, 78.5%, 0%, 38%)
CIE-LAB	lab(23.88, 43.67, -65.21)
CIE-LCH	lch(23.88, 78.48, 303.81°)
OKLab	oklab(36.27% 0.0122 -0.1887)
OKLCH	oklch(36.27% 0.189 273.7)
XYZ	xyz(7.6166, 4.0630, 32.7240)
Luminance	0.0406 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28229E #989E22

analogous

#225A9E #28229E #66229E

triadic

#28229E #9E2822 #229E28

tetradic

#28229E #9E225A #989E22 #229E66

square

#28229E #9E225A #989E22 #229E66

split-complementary

#28229E #9E6622 #5A9E22

monochromatic

#0E0C39 #1B176C #28229E #352DD0 #645EDC

Accessibility & contrast

On white

11.58

#28229E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#28229E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28229E

11.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28229E	#FFFFFF	#000000	##FFFFFF
##28229E	1.00	11.58	1.81	11.58
#FFFFFF	11.58	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003EA1

Deuteranopia (green-blind)

#00339C

Tritanopia (blue-blind)

#00475F

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #28229e;
/* rgb */ color: rgb(40, 34, 158);
/* oklch */ color: oklch(36.3% 0.189 273.7);

Tailwind

colors: {
  custom: {
    50: '#7660bc',
    500: '#28229e',
    950: '#000000',
  },
}

SCSS

$custom: #28229e;
$custom-light: #7660bc;
$custom-dark: #000000;

JSON

{
  "hex": "#28229e",
  "rgb": {
    "r": 40,
    "g": 34,
    "b": 158
  },
  "hsl": {
    "h": 242.903,
    "s": 64.583,
    "l": 37.647
  },
  "oklch": {
    "l": 0.36274,
    "c": 0.18905,
    "h": 273.7
  },
  "luminance": 0.04064
}

Semantic roles & 50–950 ramp

primary

#28229E

secondary

#BCC15B

accent

#E840DF

background

#F7F5FB

surface

#EEE9F7

border

#C9C5D0

text

#0A0512

muted

#7C7981

Preview Lab

Preview with #28229E

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

Preview Lab → · Contrast checker → · Palette generator →