#28228E#28228E

#28228E is a dark, vivid blue. Relative luminance 0.035; OKLCH L 34.5% C 0.169 H 275.3°. Best body text is #FFFFFF at 12.28:1 contrast (WCAG AA passes).

Color values

HEX	#28228E
RGB	rgb(40, 34, 142)
HSL	hsl(243, 61%, 35%)
HSV	hsv(243, 76%, 56%)
CMYK	cmyk(71.8%, 76.1%, 0%, 44.3%)
CIE-LAB	lab(22.12, 38.36, -58.26)
CIE-LCH	lch(22.12, 69.76, 303.36°)
OKLab	oklab(34.51% 0.0157 -0.1684)
OKLCH	oklch(34.51% 0.169 275.3)
XYZ	xyz(6.3280, 3.5476, 25.9372)
Luminance	0.0355 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28228E #888E22

analogous

#22528E #28228E #5E228E

triadic

#28228E #8E2822 #228E28

tetradic

#28228E #8E2252 #888E22 #228E5E

square

#28228E #8E2252 #888E22 #228E5E

split-complementary

#28228E #8E5E22 #528E22

monochromatic

#0C0A2B #1A165D #28228E #362EBF #5B54D6

Accessibility & contrast

On white

12.28

#28228E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#28228E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28228E

12.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28228E	#FFFFFF	#000000	##FFFFFF
##28228E	1.00	12.28	1.71	12.28
#FFFFFF	12.28	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A91

Deuteranopia (green-blind)

#00308C

Tritanopia (blue-blind)

#004156

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #28228e;
/* rgb */ color: rgb(40, 34, 142);
/* oklch */ color: oklch(34.5% 0.169 275.3);

Tailwind

colors: {
  custom: {
    50: '#725fb0',
    500: '#28228e',
    950: '#000000',
  },
}

SCSS

$custom: #28228e;
$custom-light: #725fb0;
$custom-dark: #000000;

JSON

{
  "hex": "#28228e",
  "rgb": {
    "r": 40,
    "g": 34,
    "b": 142
  },
  "hsl": {
    "h": 243.333,
    "s": 61.364,
    "l": 34.51
  },
  "oklch": {
    "l": 0.34509,
    "c": 0.16918,
    "h": 275.3
  },
  "luminance": 0.03548
}

Semantic roles & 50–950 ramp

primary

#28228E

secondary

#B4BA52

accent

#E443DC

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090511

muted

#7B7980

Preview Lab

Preview with #28228E

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

Preview Lab → · Contrast checker → · Palette generator →