#282387#282387

#282387 is a dark, vivid blue. Relative luminance 0.034; OKLCH L 33.9% C 0.159 H 275.9°. Best body text is #FFFFFF at 12.50:1 contrast (WCAG AA passes).

Color values

HEX	#282387
RGB	rgb(40, 35, 135)
HSL	hsl(243, 59%, 33%)
HSV	hsv(243, 74%, 53%)
CMYK	cmyk(70.4%, 74.1%, 0%, 47.1%)
CIE-LAB	lab(21.59, 35.38, -54.76)
CIE-LCH	lch(21.59, 65.20, 302.86°)
OKLab	oklab(33.91% 0.0165 -0.1582)
OKLCH	oklch(33.91% 0.159 275.9)
XYZ	xyz(5.8478, 3.4019, 23.2654)
Luminance	0.0340 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#282387 #828723

analogous

#235087 #282387 #5A2387

triadic

#282387 #872823 #238728

tetradic

#282387 #872350 #828723 #23875A

square

#282387 #872350 #828723 #23875A

split-complementary

#282387 #875A23 #508723

monochromatic

#0B0A26 #1A1656 #282387 #3630B8 #5952D2

Accessibility & contrast

On white

12.50

#282387 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#282387 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #282387

12.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##282387	#FFFFFF	#000000	##FFFFFF
##282387	1.00	12.50	1.68	12.50
#FFFFFF	12.50	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00388A

Deuteranopia (green-blind)

#002F85

Tritanopia (blue-blind)

#003F52

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #282387;
/* rgb */ color: rgb(40, 35, 135);
/* oklch */ color: oklch(33.9% 0.159 275.9);

Tailwind

colors: {
  custom: {
    50: '#705fab',
    500: '#282387',
    950: '#000000',
  },
}

SCSS

$custom: #282387;
$custom-light: #705fab;
$custom-dark: #000000;

JSON

{
  "hex": "#282387",
  "rgb": {
    "r": 40,
    "g": 35,
    "b": 135
  },
  "hsl": {
    "h": 243,
    "s": 58.824,
    "l": 33.333
  },
  "oklch": {
    "l": 0.33912,
    "c": 0.15911,
    "h": 275.9
  },
  "luminance": 0.03402
}

Semantic roles & 50–950 ramp

primary

#282387

secondary

#B1B650

accent

#E246DA

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#090510

muted

#7B797F

Preview Lab

Preview with #282387

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

Preview Lab → · Contrast checker → · Palette generator →