#28229D#28229D

#28229D is a dark, vivid blue. Relative luminance 0.040; OKLCH L 36.2% C 0.188 H 273.8°. Best body text is #FFFFFF at 11.63:1 contrast (WCAG AA passes).

Color values

HEX	#28229D
RGB	rgb(40, 34, 157)
HSL	hsl(243, 64%, 37%)
HSV	hsv(243, 78%, 62%)
CMYK	cmyk(74.5%, 78.3%, 0%, 38.4%)
CIE-LAB	lab(23.77, 43.35, -64.79)
CIE-LCH	lch(23.77, 77.95, 303.79°)
OKLab	oklab(36.16% 0.0124 -0.1874)
OKLCH	oklch(36.16% 0.188 273.8)
XYZ	xyz(7.5309, 4.0287, 32.2725)
Luminance	0.0403 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28229D #979D22

analogous

#22599D #28229D #66229D

triadic

#28229D #9D2822 #229D28

tetradic

#28229D #9D2259 #979D22 #229D66

square

#28229D #9D2259 #979D22 #229D66

split-complementary

#28229D #9D6622 #599D22

monochromatic

#0E0C38 #1B176B #28229D #352DCF #645DDC

Accessibility & contrast

On white

11.63

#28229D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#28229D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28229D

11.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28229D	#FFFFFF	#000000	##FFFFFF
##28229D	1.00	11.63	1.81	11.63
#FFFFFF	11.63	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003EA0

Deuteranopia (green-blind)

#00339B

Tritanopia (blue-blind)

#00475F

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #28229d;
/* rgb */ color: rgb(40, 34, 157);
/* oklch */ color: oklch(36.2% 0.188 273.8);

Tailwind

colors: {
  custom: {
    50: '#7660bb',
    500: '#28229d',
    950: '#000000',
  },
}

SCSS

$custom: #28229d;
$custom-light: #7660bb;
$custom-dark: #000000;

JSON

{
  "hex": "#28229d",
  "rgb": {
    "r": 40,
    "g": 34,
    "b": 157
  },
  "hsl": {
    "h": 242.927,
    "s": 64.398,
    "l": 37.451
  },
  "oklch": {
    "l": 0.36162,
    "c": 0.18784,
    "h": 273.8
  },
  "luminance": 0.04029
}

Semantic roles & 50–950 ramp

primary

#28229D

secondary

#BCC15A

accent

#E740DF

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0512

muted

#7C7981

Preview Lab

Preview with #28229D

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

Preview Lab → · Contrast checker → · Palette generator →