#282E8A#282E8A

#282E8A is a dark, vivid blue. Relative luminance 0.042; OKLCH L 36.1% C 0.150 H 273.2°. Best body text is #FFFFFF at 11.36:1 contrast (WCAG AA passes).

Color values

HEX	#282E8A
RGB	rgb(40, 46, 138)
HSL	hsl(236, 55%, 35%)
HSV	hsv(236, 71%, 54%)
CMYK	cmyk(71%, 66.7%, 0%, 45.9%)
CIE-LAB	lab(24.45, 29.47, -51.94)
CIE-LCH	lch(24.45, 59.72, 299.57°)
OKLab	oklab(36.07% 0.0084 -0.15)
OKLCH	oklch(36.07% 0.15 273.2)
XYZ	xyz(6.4380, 4.2395, 24.5188)
Luminance	0.0424 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#282E8A #8A8428

analogous

#285F8A #282E8A #53288A

triadic

#282E8A #8A282E #2E8A28

tetradic

#282E8A #8A285F #8A8428 #288A53

square

#282E8A #8A285F #8A8428 #288A53

split-complementary

#282E8A #8A5328 #5F8A28

monochromatic

#0C0E2B #1A1E5B #282E8A #363EB9 #5D64D0

Accessibility & contrast

On white

11.36

#282E8A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#282E8A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #282E8A

11.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##282E8A	#FFFFFF	#000000	##FFFFFF
##282E8A	1.00	11.36	1.85	11.36
#FFFFFF	11.36	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F8D

Deuteranopia (green-blind)

#003688

Tritanopia (blue-blind)

#004657

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #282e8a;
/* rgb */ color: rgb(40, 46, 138);
/* oklch */ color: oklch(36.1% 0.150 273.2);

Tailwind

colors: {
  custom: {
    50: '#7067ad',
    500: '#282e8a',
    950: '#000000',
  },
}

SCSS

$custom: #282e8a;
$custom-light: #7067ad;
$custom-dark: #000000;

JSON

{
  "hex": "#282e8a",
  "rgb": {
    "r": 40,
    "g": 46,
    "b": 138
  },
  "hsl": {
    "h": 236.327,
    "s": 55.056,
    "l": 34.902
  },
  "oklch": {
    "l": 0.36067,
    "c": 0.15023,
    "h": 273.2
  },
  "luminance": 0.0424
}

Semantic roles & 50–950 ramp

primary

#282E8A

secondary

#B5B059

accent

#D549DE

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#090610

muted

#7B7A7F

Preview Lab

Preview with #282E8A

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

Preview Lab → · Contrast checker → · Palette generator →