#282A9A#282A9A

#282A9A is a dark, vivid blue. Relative luminance 0.044; OKLCH L 37.0% C 0.176 H 272.9°. Best body text is #FFFFFF at 11.12:1 contrast (WCAG AA passes).

Color values

HEX	#282A9A
RGB	rgb(40, 42, 154)
HSL	hsl(239, 59%, 38%)
HSV	hsv(239, 74%, 60%)
CMYK	cmyk(74%, 72.7%, 0%, 39.6%)
CIE-LAB	lab(25.07, 37.74, -60.79)
CIE-LCH	lch(25.07, 71.55, 301.83°)
OKLab	oklab(36.99% 0.0091 -0.1759)
OKLCH	oklch(36.99% 0.176 272.9)
XYZ	xyz(7.5338, 4.4394, 31.0254)
Luminance	0.0444 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#282A9A #9A9828

analogous

#28639A #282A9A #5F289A

triadic

#282A9A #9A282A #2A9A28

tetradic

#282A9A #9A2863 #9A9828 #289A5F

square

#282A9A #9A2863 #9A9828 #289A5F

split-complementary

#282A9A #9A5F28 #639A28

monochromatic

#0F1039 #1B1D69 #282A9A #3537CA #6567D7

Accessibility & contrast

On white

11.12

#282A9A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#282A9A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #282A9A

11.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##282A9A	#FFFFFF	#000000	##FFFFFF
##282A9A	1.00	11.12	1.89	11.12
#FFFFFF	11.12	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00419D

Deuteranopia (green-blind)

#003698

Tritanopia (blue-blind)

#004A5F

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #282a9a;
/* rgb */ color: rgb(40, 42, 154);
/* oklch */ color: oklch(37.0% 0.176 272.9);

Tailwind

colors: {
  custom: {
    50: '#7464b9',
    500: '#282a9a',
    950: '#000000',
  },
}

SCSS

$custom: #282a9a;
$custom-light: #7464b9;
$custom-dark: #000000;

JSON

{
  "hex": "#282a9a",
  "rgb": {
    "r": 40,
    "g": 42,
    "b": 154
  },
  "hsl": {
    "h": 238.947,
    "s": 58.763,
    "l": 38.039
  },
  "oklch": {
    "l": 0.36993,
    "c": 0.17609,
    "h": 272.9
  },
  "luminance": 0.0444
}

Semantic roles & 50–950 ramp

primary

#282A9A

secondary

#BDBB61

accent

#DF46E2

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0512

muted

#7C7A81

Preview Lab

Preview with #282A9A

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

Preview Lab → · Contrast checker → · Palette generator →