#282C8F#282C8F

#282C8F is a dark, vivid blue. Relative luminance 0.042; OKLCH L 36.2% C 0.159 H 273.4°. Best body text is #FFFFFF at 11.37:1 contrast (WCAG AA passes).

Color values

HEX	#282C8F
RGB	rgb(40, 44, 143)
HSL	hsl(238, 56%, 36%)
HSV	hsv(238, 72%, 56%)
CMYK	cmyk(72%, 69.2%, 0%, 43.9%)
CIE-LAB	lab(24.43, 32.59, -55.07)
CIE-LCH	lch(24.43, 63.99, 300.62°)
OKLab	oklab(36.2% 0.0094 -0.1592)
OKLCH	oklch(36.2% 0.159 273.4)
XYZ	xyz(6.7320, 4.2350, 26.4439)
Luminance	0.0424 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#282C8F #8F8B28

analogous

#285F8F #282C8F #57288F

triadic

#282C8F #8F282C #2C8F28

tetradic

#282C8F #8F285F #8F8B28 #288F57

square

#282C8F #8F285F #8F8B28 #288F57

split-complementary

#282C8F #8F5728 #5F8F28

monochromatic

#0D0F2F #1B1D5F #282C8F #353BBF #5F64D2

Accessibility & contrast

On white

11.37

#282C8F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#282C8F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #282C8F

11.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##282C8F	#FFFFFF	#000000	##FFFFFF
##282C8F	1.00	11.37	1.85	11.37
#FFFFFF	11.37	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F92

Deuteranopia (green-blind)

#00358D

Tritanopia (blue-blind)

#004759

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #282c8f;
/* rgb */ color: rgb(40, 44, 143);
/* oklch */ color: oklch(36.2% 0.159 273.4);

Tailwind

colors: {
  custom: {
    50: '#7265b1',
    500: '#282c8f',
    950: '#000000',
  },
}

SCSS

$custom: #282c8f;
$custom-light: #7265b1;
$custom-dark: #000000;

JSON

{
  "hex": "#282c8f",
  "rgb": {
    "r": 40,
    "g": 44,
    "b": 143
  },
  "hsl": {
    "h": 237.67,
    "s": 56.284,
    "l": 35.882
  },
  "oklch": {
    "l": 0.36201,
    "c": 0.15943,
    "h": 273.4
  },
  "luminance": 0.04236
}

Semantic roles & 50–950 ramp

primary

#282C8F

secondary

#B8B45B

accent

#DA48E0

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090611

muted

#7B7A80

Preview Lab

Preview with #282C8F

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

Preview Lab → · Contrast checker → · Palette generator →