#282B8A#282B8A

#282B8A is a dark, vivid blue. Relative luminance 0.040; OKLCH L 35.5% C 0.154 H 274.0°. Best body text is #FFFFFF at 11.65:1 contrast (WCAG AA passes).

Color values

HEX	#282B8A
RGB	rgb(40, 43, 138)
HSL	hsl(238, 55%, 35%)
HSV	hsv(238, 71%, 54%)
CMYK	cmyk(71%, 68.8%, 0%, 45.9%)
CIE-LAB	lab(23.72, 31.43, -53.14)
CIE-LCH	lch(23.72, 61.74, 300.60°)
OKLab	oklab(35.53% 0.0106 -0.1535)
OKLCH	oklch(35.53% 0.154 274)
XYZ	xyz(6.3249, 4.0133, 24.4811)
Luminance	0.0401 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#282B8A #8A8728

analogous

#285C8A #282B8A #56288A

triadic

#282B8A #8A282B #2B8A28

tetradic

#282B8A #8A285C #8A8728 #288A56

square

#282B8A #8A285C #8A8728 #288A56

split-complementary

#282B8A #8A5628 #5C8A28

monochromatic

#0C0D2B #1A1C5B #282B8A #363AB9 #5D60D0

Accessibility & contrast

On white

11.65

#282B8A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#282B8A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #282B8A

11.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##282B8A	#FFFFFF	#000000	##FFFFFF
##282B8A	1.00	11.65	1.80	11.65
#FFFFFF	11.65	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D8D

Deuteranopia (green-blind)

#003488

Tritanopia (blue-blind)

#004456

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #282b8a;
/* rgb */ color: rgb(40, 43, 138);
/* oklch */ color: oklch(35.5% 0.154 274.0);

Tailwind

colors: {
  custom: {
    50: '#7065ad',
    500: '#282b8a',
    950: '#000000',
  },
}

SCSS

$custom: #282b8a;
$custom-light: #7065ad;
$custom-dark: #000000;

JSON

{
  "hex": "#282b8a",
  "rgb": {
    "r": 40,
    "g": 43,
    "b": 138
  },
  "hsl": {
    "h": 238.163,
    "s": 55.056,
    "l": 34.902
  },
  "oklch": {
    "l": 0.35534,
    "c": 0.15388,
    "h": 274
  },
  "luminance": 0.04014
}

Semantic roles & 50–950 ramp

primary

#282B8A

secondary

#B5B259

accent

#DA49DE

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#090510

muted

#7B7A7F

Preview Lab

Preview with #282B8A

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

Preview Lab → · Contrast checker → · Palette generator →