#282C66#282C66

#282C66 is a dark, moderate blue. Relative luminance 0.032; OKLCH L 32.5% C 0.100 H 276.3°. Best body text is #FFFFFF at 12.79:1 contrast (WCAG AA passes).

Color values

HEX	#282C66
RGB	rgb(40, 44, 102)
HSL	hsl(236, 44%, 28%)
HSV	hsv(236, 61%, 40%)
CMYK	cmyk(60.8%, 56.9%, 0%, 60%)
CIE-LAB	lab(20.87, 17.46, -34.83)
CIE-LCH	lch(20.87, 38.96, 296.63°)
OKLab	oklab(32.47% 0.011 -0.0997)
OKLCH	oklch(32.47% 0.1 276.3)
XYZ	xyz(4.1733, 3.2115, 12.9678)
Luminance	0.0321 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#282C66 #666228

analogous

#284B66 #282C66 #432866

triadic

#282C66 #66282C #2C6628

tetradic

#282C66 #66284B #666228 #286643

square

#282C66 #66284B #666228 #286643

split-complementary

#282C66 #664328 #4B6628

monochromatic

#090916 #17193A #282C66 #393F92 #4F56BA

Accessibility & contrast

On white

12.79

#282C66 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#282C66 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #282C66

12.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##282C66	#FFFFFF	#000000	##FFFFFF
##282C66	1.00	12.79	1.64	12.79
#FFFFFF	12.79	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#083568

Deuteranopia (green-blind)

#003065

Tritanopia (blue-blind)

#033944

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #282c66;
/* rgb */ color: rgb(40, 44, 102);
/* oklch */ color: oklch(32.5% 0.100 276.3);

Tailwind

colors: {
  custom: {
    50: '#686592',
    500: '#282c66',
    950: '#000000',
  },
}

SCSS

$custom: #282c66;
$custom-light: #686592;
$custom-dark: #000000;

JSON

{
  "hex": "#282c66",
  "rgb": {
    "r": 40,
    "g": 44,
    "b": 102
  },
  "hsl": {
    "h": 236.129,
    "s": 43.662,
    "l": 27.843
  },
  "oklch": {
    "l": 0.32471,
    "c": 0.10035,
    "h": 276.3
  },
  "luminance": 0.03212
}

Semantic roles & 50–950 ramp

primary

#282C66

secondary

#999451

accent

#CB54D3

background

#F6F6F9

surface

#EBEBF1

border

#C6C6CB

text

#07050D

muted

#7A7A7E

Preview Lab

Preview with #282C66

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

Preview Lab → · Contrast checker → · Palette generator →