#282B83#282B83

#282B83 is a dark, vivid blue. Relative luminance 0.038; OKLCH L 34.9% C 0.144 H 274.5°. Best body text is #FFFFFF at 11.91:1 contrast (WCAG AA passes).

Color values

HEX	#282B83
RGB	rgb(40, 43, 131)
HSL	hsl(238, 53%, 34%)
HSV	hsv(238, 69%, 51%)
CMYK	cmyk(69.5%, 67.2%, 0%, 48.6%)
CIE-LAB	lab(23.06, 28.89, -49.84)
CIE-LCH	lch(23.06, 57.60, 300.10°)
OKLab	oklab(34.85% 0.0113 -0.1438)
OKLCH	oklch(34.85% 0.144 274.5)
XYZ	xyz(5.8343, 3.8170, 21.8976)
Luminance	0.0382 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#282B83 #838028

analogous

#285883 #282B83 #522883

triadic

#282B83 #83282B #2B8328

tetradic

#282B83 #832858 #838028 #288352

square

#282B83 #832858 #838028 #288352

split-complementary

#282B83 #835228 #588328

monochromatic

#0B0C25 #1A1C54 #282B83 #363AB2 #595DCC

Accessibility & contrast

On white

11.91

#282B83 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#282B83 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #282B83

11.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##282B83	#FFFFFF	#000000	##FFFFFF
##282B83	1.00	11.91	1.76	11.91
#FFFFFF	11.91	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B86

Deuteranopia (green-blind)

#003381

Tritanopia (blue-blind)

#004253

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #282b83;
/* rgb */ color: rgb(40, 43, 131);
/* oklch */ color: oklch(34.9% 0.144 274.5);

Tailwind

colors: {
  custom: {
    50: '#6f64a8',
    500: '#282b83',
    950: '#000000',
  },
}

SCSS

$custom: #282b83;
$custom-light: #6f64a8;
$custom-dark: #000000;

JSON

{
  "hex": "#282b83",
  "rgb": {
    "r": 40,
    "g": 43,
    "b": 131
  },
  "hsl": {
    "h": 238.022,
    "s": 53.216,
    "l": 33.529
  },
  "oklch": {
    "l": 0.34853,
    "c": 0.14429,
    "h": 274.5
  },
  "luminance": 0.03818
}

Semantic roles & 50–950 ramp

primary

#282B83

secondary

#B1AE55

accent

#D84BDD

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080510

muted

#7B7A7F

Preview Lab

Preview with #282B83

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

Preview Lab → · Contrast checker → · Palette generator →