#28219A#28219A

#28219A is a dark, vivid blue. Relative luminance 0.039; OKLCH L 35.7% C 0.185 H 274.2°. Best body text is #FFFFFF at 11.83:1 contrast (WCAG AA passes).

Color values

HEX	#28219A
RGB	rgb(40, 33, 154)
HSL	hsl(243, 65%, 37%)
HSV	hsv(243, 79%, 60%)
CMYK	cmyk(74%, 78.6%, 0%, 39.6%)
CIE-LAB	lab(23.24, 42.90, -63.82)
CIE-LCH	lch(23.24, 76.90, 303.91°)
OKLab	oklab(35.69% 0.0135 -0.1846)
OKLCH	oklch(35.69% 0.185 274.2)
XYZ	xyz(7.2497, 3.8712, 30.9307)
Luminance	0.0387 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28219A #939A21

analogous

#21579A #28219A #65219A

triadic

#28219A #9A2821 #219A28

tetradic

#28219A #9A2157 #939A21 #219A65

square

#28219A #9A2157 #939A21 #219A65

split-complementary

#28219A #9A6521 #579A21

monochromatic

#0E0B35 #1B1668 #28219A #352CCC #615ADC

Accessibility & contrast

On white

11.83

#28219A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#28219A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28219A

11.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28219A	#FFFFFF	#000000	##FFFFFF
##28219A	1.00	11.83	1.77	11.83
#FFFFFF	11.83	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D9D

Deuteranopia (green-blind)

#003298

Tritanopia (blue-blind)

#00455D

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #28219a;
/* rgb */ color: rgb(40, 33, 154);
/* oklch */ color: oklch(35.7% 0.185 274.2);

Tailwind

colors: {
  custom: {
    50: '#755fb9',
    500: '#28219a',
    950: '#000000',
  },
}

SCSS

$custom: #28219a;
$custom-light: #755fb9;
$custom-dark: #000000;

JSON

{
  "hex": "#28219a",
  "rgb": {
    "r": 40,
    "g": 33,
    "b": 154
  },
  "hsl": {
    "h": 243.471,
    "s": 64.706,
    "l": 36.667
  },
  "oklch": {
    "l": 0.35694,
    "c": 0.18509,
    "h": 274.2
  },
  "luminance": 0.03872
}

Semantic roles & 50–950 ramp

primary

#28219A

secondary

#BAC057

accent

#E840DE

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0512

muted

#7C7981

Preview Lab

Preview with #28219A

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

Preview Lab → · Contrast checker → · Palette generator →