#282A73#282A73

#282A73 is a dark, vivid blue. Relative luminance 0.033; OKLCH L 33.2% C 0.123 H 276.2°. Best body text is #FFFFFF at 12.58:1 contrast (WCAG AA passes).

Color values

HEX	#282A73
RGB	rgb(40, 42, 115)
HSL	hsl(238, 48%, 30%)
HSV	hsv(238, 65%, 45%)
CMYK	cmyk(65.2%, 63.5%, 0%, 54.9%)
CIE-LAB	lab(21.37, 23.68, -42.42)
CIE-LCH	lch(21.37, 48.58, 299.16°)
OKLab	oklab(33.18% 0.0133 -0.1221)
OKLCH	oklch(33.18% 0.123 276.2)
XYZ	xyz(4.7965, 3.3445, 16.6091)
Luminance	0.0335 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#282A73 #737128

analogous

#284F73 #282A73 #4B2873

triadic

#282A73 #73282A #2A7328

tetradic

#282A73 #73284F #737128 #28734B

square

#282A73 #73284F #737128 #28734B

split-complementary

#282A73 #734B28 #4F7328

monochromatic

#080918 #181946 #282A73 #383BA0 #5255C3

Accessibility & contrast

On white

12.58

#282A73 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#282A73 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #282A73

12.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##282A73	#FFFFFF	#000000	##FFFFFF
##282A73	1.00	12.58	1.67	12.58
#FFFFFF	12.58	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003775

Deuteranopia (green-blind)

#003072

Tritanopia (blue-blind)

#003C4A

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #282a73;
/* rgb */ color: rgb(40, 42, 115);
/* oklch */ color: oklch(33.2% 0.123 276.2);

Tailwind

colors: {
  custom: {
    50: '#6b639c',
    500: '#282a73',
    950: '#000000',
  },
}

SCSS

$custom: #282a73;
$custom-light: #6b639c;
$custom-dark: #000000;

JSON

{
  "hex": "#282a73",
  "rgb": {
    "r": 40,
    "g": 42,
    "b": 115
  },
  "hsl": {
    "h": 238.4,
    "s": 48.387,
    "l": 30.392
  },
  "oklch": {
    "l": 0.33176,
    "c": 0.12282,
    "h": 276.2
  },
  "luminance": 0.03345
}

Semantic roles & 50–950 ramp

primary

#282A73

secondary

#A5A352

accent

#D450D8

background

#F6F5F9

surface

#ECEAF2

border

#C7C6CC

text

#07050E

muted

#7A797E

Preview Lab

Preview with #282A73

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

Preview Lab → · Contrast checker → · Palette generator →