#282D8D#282D8D

#282D8D is a dark, vivid blue. Relative luminance 0.043; OKLCH L 36.2% C 0.156 H 273.3°. Best body text is #FFFFFF at 11.35:1 contrast (WCAG AA passes).

Color values

HEX	#282D8D
RGB	rgb(40, 45, 141)
HSL	hsl(237, 56%, 35%)
HSV	hsv(237, 72%, 55%)
CMYK	cmyk(71.6%, 68.1%, 0%, 44.7%)
CIE-LAB	lab(24.48, 31.22, -53.75)
CIE-LCH	lch(24.48, 62.16, 300.15°)
OKLab	oklab(36.18% 0.0089 -0.1553)
OKLCH	oklch(36.18% 0.156 273.3)
XYZ	xyz(6.6196, 4.2503, 25.6657)
Luminance	0.0425 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#282D8D #8D8828

analogous

#285F8D #282D8D #56288D

triadic

#282D8D #8D282D #2D8D28

tetradic

#282D8D #8D285F #8D8828 #288D56

square

#282D8D #8D285F #8D8828 #288D56

split-complementary

#282D8D #8D5628 #5F8D28

monochromatic

#0D0F2E #1A1E5D #282D8D #363CBD #5E64D1

Accessibility & contrast

On white

11.35

#282D8D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#282D8D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #282D8D

11.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##282D8D	#FFFFFF	#000000	##FFFFFF
##282D8D	1.00	11.35	1.85	11.35
#FFFFFF	11.35	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F90

Deuteranopia (green-blind)

#00358B

Tritanopia (blue-blind)

#004659

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #282d8d;
/* rgb */ color: rgb(40, 45, 141);
/* oklch */ color: oklch(36.2% 0.156 273.3);

Tailwind

colors: {
  custom: {
    50: '#7166af',
    500: '#282d8d',
    950: '#000000',
  },
}

SCSS

$custom: #282d8d;
$custom-light: #7166af;
$custom-dark: #000000;

JSON

{
  "hex": "#282d8d",
  "rgb": {
    "r": 40,
    "g": 45,
    "b": 141
  },
  "hsl": {
    "h": 237.03,
    "s": 55.801,
    "l": 35.49
  },
  "oklch": {
    "l": 0.36178,
    "c": 0.15554,
    "h": 273.3
  },
  "luminance": 0.04251
}

Semantic roles & 50–950 ramp

primary

#282D8D

secondary

#B7B25A

accent

#D849DF

background

#F7F6FA

surface

#EDEBF5

border

#C8C6CF

text

#090610

muted

#7B7A7F

Preview Lab

Preview with #282D8D

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

Preview Lab → · Contrast checker → · Palette generator →