#282C8D#282C8D

#282C8D is a dark, vivid blue. Relative luminance 0.042; OKLCH L 36.0% C 0.157 H 273.5°. Best body text is #FFFFFF at 11.44:1 contrast (WCAG AA passes).

Color values

HEX	#282C8D
RGB	rgb(40, 44, 141)
HSL	hsl(238, 56%, 35%)
HSV	hsv(238, 72%, 55%)
CMYK	cmyk(71.6%, 68.8%, 0%, 44.7%)
CIE-LAB	lab(24.24, 31.87, -54.14)
CIE-LCH	lch(24.24, 62.83, 300.48°)
OKLab	oklab(36% 0.0096 -0.1564)
OKLCH	oklch(36% 0.157 273.5)
XYZ	xyz(6.5819, 4.1749, 25.6531)
Luminance	0.0418 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#282C8D #8D8928

analogous

#285E8D #282C8D #56288D

triadic

#282C8D #8D282C #2C8D28

tetradic

#282C8D #8D285E #8D8928 #288D56

square

#282C8D #8D285E #8D8928 #288D56

split-complementary

#282C8D #8D5628 #5E8D28

monochromatic

#0D0E2E #1A1D5D #282C8D #363BBD #5E63D1

Accessibility & contrast

On white

11.44

#282C8D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#282C8D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #282C8D

11.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##282C8D	#FFFFFF	#000000	##FFFFFF
##282C8D	1.00	11.44	1.84	11.44
#FFFFFF	11.44	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E90

Deuteranopia (green-blind)

#00358B

Tritanopia (blue-blind)

#004658

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #282c8d;
/* rgb */ color: rgb(40, 44, 141);
/* oklch */ color: oklch(36.0% 0.157 273.5);

Tailwind

colors: {
  custom: {
    50: '#7165af',
    500: '#282c8d',
    950: '#000000',
  },
}

SCSS

$custom: #282c8d;
$custom-light: #7165af;
$custom-dark: #000000;

JSON

{
  "hex": "#282c8d",
  "rgb": {
    "r": 40,
    "g": 44,
    "b": 141
  },
  "hsl": {
    "h": 237.624,
    "s": 55.801,
    "l": 35.49
  },
  "oklch": {
    "l": 0.36003,
    "c": 0.15674,
    "h": 273.5
  },
  "luminance": 0.04176
}

Semantic roles & 50–950 ramp

primary

#282C8D

secondary

#B7B35A

accent

#D949DF

background

#F7F6FA

surface

#EDEBF5

border

#C8C6CF

text

#090610

muted

#7B7A7F

Preview Lab

Preview with #282C8D

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

Preview Lab → · Contrast checker → · Palette generator →