#28219D#28219D

#28219D is a dark, vivid blue. Relative luminance 0.040; OKLCH L 36.0% C 0.189 H 273.9°. Best body text is #FFFFFF at 11.70:1 contrast (WCAG AA passes).

Color values

HEX	#28219D
RGB	rgb(40, 33, 157)
HSL	hsl(243, 65%, 37%)
HSV	hsv(243, 79%, 62%)
CMYK	cmyk(74.5%, 79%, 0%, 38.4%)
CIE-LAB	lab(23.58, 43.88, -65.09)
CIE-LCH	lch(23.58, 78.50, 303.98°)
OKLab	oklab(36.03% 0.0128 -0.1883)
OKLCH	oklch(36.03% 0.189 273.9)
XYZ	xyz(7.5027, 3.9724, 32.2631)
Luminance	0.0397 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28219D #969D21

analogous

#21589D #28219D #66219D

triadic

#28219D #9D2821 #219D28

tetradic

#28219D #9D2158 #969D21 #219D66

square

#28219D #9D2158 #969D21 #219D66

split-complementary

#28219D #9D6621 #589D21

monochromatic

#0E0C38 #1B166A #28219D #352CD0 #635CDD

Accessibility & contrast

On white

11.70

#28219D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#28219D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28219D

11.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28219D	#FFFFFF	#000000	##FFFFFF
##28219D	1.00	11.70	1.79	11.70
#FFFFFF	11.70	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003EA0

Deuteranopia (green-blind)

#00329B

Tritanopia (blue-blind)

#00475E

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #28219d;
/* rgb */ color: rgb(40, 33, 157);
/* oklch */ color: oklch(36.0% 0.189 273.9);

Tailwind

colors: {
  custom: {
    50: '#765fbb',
    500: '#28219d',
    950: '#000000',
  },
}

SCSS

$custom: #28219d;
$custom-light: #765fbb;
$custom-dark: #000000;

JSON

{
  "hex": "#28219d",
  "rgb": {
    "r": 40,
    "g": 33,
    "b": 157
  },
  "hsl": {
    "h": 243.387,
    "s": 65.263,
    "l": 37.255
  },
  "oklch": {
    "l": 0.36031,
    "c": 0.18875,
    "h": 273.9
  },
  "luminance": 0.03973
}

Semantic roles & 50–950 ramp

primary

#28219D

secondary

#BBC159

accent

#E840DF

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0512

muted

#7C7981

Preview Lab

Preview with #28219D

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

Preview Lab → · Contrast checker → · Palette generator →