#282388#282388

#282388 is a dark, vivid blue. Relative luminance 0.034; OKLCH L 34.0% C 0.160 H 275.8°. Best body text is #FFFFFF at 12.45:1 contrast (WCAG AA passes).

Color values

HEX	#282388
RGB	rgb(40, 35, 136)
HSL	hsl(243, 59%, 34%)
HSV	hsv(243, 74%, 53%)
CMYK	cmyk(70.6%, 74.3%, 0%, 46.7%)
CIE-LAB	lab(21.69, 35.72, -55.22)
CIE-LCH	lch(21.69, 65.77, 302.90°)
OKLab	oklab(34.02% 0.0163 -0.1596)
OKLCH	oklch(34.02% 0.16 275.8)
XYZ	xyz(5.9186, 3.4302, 23.6380)
Luminance	0.0343 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#282388 #838823

analogous

#235088 #282388 #5A2388

triadic

#282388 #882823 #238828

tetradic

#282388 #882350 #838823 #23885A

square

#282388 #882350 #838823 #23885A

split-complementary

#282388 #885A23 #508823

monochromatic

#0B0A27 #1A1657 #282388 #3630B9 #5953D3

Accessibility & contrast

On white

12.45

#282388 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#282388 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #282388

12.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##282388	#FFFFFF	#000000	##FFFFFF
##282388	1.00	12.45	1.69	12.45
#FFFFFF	12.45	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00388B

Deuteranopia (green-blind)

#002F86

Tritanopia (blue-blind)

#003F53

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #282388;
/* rgb */ color: rgb(40, 35, 136);
/* oklch */ color: oklch(34.0% 0.160 275.8);

Tailwind

colors: {
  custom: {
    50: '#715fac',
    500: '#282388',
    950: '#000000',
  },
}

SCSS

$custom: #282388;
$custom-light: #715fac;
$custom-dark: #000000;

JSON

{
  "hex": "#282388",
  "rgb": {
    "r": 40,
    "g": 35,
    "b": 136
  },
  "hsl": {
    "h": 242.97,
    "s": 59.064,
    "l": 33.529
  },
  "oklch": {
    "l": 0.34017,
    "c": 0.16041,
    "h": 275.8
  },
  "luminance": 0.03431
}

Semantic roles & 50–950 ramp

primary

#282388

secondary

#B1B750

accent

#E246DA

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#090510

muted

#7B797F

Preview Lab

Preview with #282388

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

Preview Lab → · Contrast checker → · Palette generator →