#282299#282299

#282299 is a dark, vivid blue. Relative luminance 0.039; OKLCH L 35.7% C 0.183 H 274.2°. Best body text is #FFFFFF at 11.80:1 contrast (WCAG AA passes).

Color values

HEX	#282299
RGB	rgb(40, 34, 153)
HSL	hsl(243, 64%, 37%)
HSV	hsv(243, 78%, 60%)
CMYK	cmyk(73.9%, 77.8%, 0%, 40%)
CIE-LAB	lab(23.32, 42.03, -63.07)
CIE-LCH	lch(23.32, 75.80, 303.68°)
OKLab	oklab(35.72% 0.0133 -0.1824)
OKLCH	oklch(35.72% 0.183 274.2)
XYZ	xyz(7.1950, 3.8944, 30.5033)
Luminance	0.0389 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#282299 #939922

analogous

#225899 #282299 #642299

triadic

#282299 #992822 #229928

tetradic

#282299 #992258 #939922 #229964

square

#282299 #992258 #939922 #229964

split-complementary

#282299 #996422 #589922

monochromatic

#0E0C35 #1B1767 #282299 #352DCB #615BDB

Accessibility & contrast

On white

11.80

#282299 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#282299 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #282299

11.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##282299	#FFFFFF	#000000	##FFFFFF
##282299	1.00	11.80	1.78	11.80
#FFFFFF	11.80	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D9C

Deuteranopia (green-blind)

#003297

Tritanopia (blue-blind)

#00455C

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #282299;
/* rgb */ color: rgb(40, 34, 153);
/* oklch */ color: oklch(35.7% 0.183 274.2);

Tailwind

colors: {
  custom: {
    50: '#755fb8',
    500: '#282299',
    950: '#000000',
  },
}

SCSS

$custom: #282299;
$custom-light: #755fb8;
$custom-dark: #000000;

JSON

{
  "hex": "#282299",
  "rgb": {
    "r": 40,
    "g": 34,
    "b": 153
  },
  "hsl": {
    "h": 243.025,
    "s": 63.636,
    "l": 36.667
  },
  "oklch": {
    "l": 0.35716,
    "c": 0.18293,
    "h": 274.2
  },
  "luminance": 0.03895
}

Semantic roles & 50–950 ramp

primary

#282299

secondary

#BABF58

accent

#E741DE

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0512

muted

#7C7981

Preview Lab

Preview with #282299

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

Preview Lab → · Contrast checker → · Palette generator →