#282C87#282C87

#282C87 is a dark, vivid blue. Relative luminance 0.040; OKLCH L 35.4% C 0.149 H 273.9°. Best body text is #FFFFFF at 11.66:1 contrast (WCAG AA passes).

Color values

HEX	#282C87
RGB	rgb(40, 44, 135)
HSL	hsl(237, 54%, 34%)
HSV	hsv(237, 70%, 53%)
CMYK	cmyk(70.4%, 67.4%, 0%, 47.1%)
CIE-LAB	lab(23.68, 29.69, -51.33)
CIE-LCH	lch(23.68, 59.30, 300.04°)
OKLab	oklab(35.42% 0.0102 -0.1482)
OKLCH	oklch(35.42% 0.149 273.9)
XYZ	xyz(6.1475, 4.0012, 23.3653)
Luminance	0.0400 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#282C87 #878328

analogous

#285C87 #282C87 #542887

triadic

#282C87 #87282C #2C8728

tetradic

#282C87 #87285C #878328 #288754

square

#282C87 #87285C #878328 #288754

split-complementary

#282C87 #875428 #5C8728

monochromatic

#0C0D29 #1A1D58 #282C87 #363BB6 #5B60CE

Accessibility & contrast

On white

11.66

#282C87 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#282C87 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #282C87

11.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##282C87	#FFFFFF	#000000	##FFFFFF
##282C87	1.00	11.66	1.80	11.66
#FFFFFF	11.66	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D8A

Deuteranopia (green-blind)

#003485

Tritanopia (blue-blind)

#004455

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #282c87;
/* rgb */ color: rgb(40, 44, 135);
/* oklch */ color: oklch(35.4% 0.149 273.9);

Tailwind

colors: {
  custom: {
    50: '#7065ab',
    500: '#282c87',
    950: '#000000',
  },
}

SCSS

$custom: #282c87;
$custom-light: #7065ab;
$custom-dark: #000000;

JSON

{
  "hex": "#282c87",
  "rgb": {
    "r": 40,
    "g": 44,
    "b": 135
  },
  "hsl": {
    "h": 237.474,
    "s": 54.286,
    "l": 34.314
  },
  "oklch": {
    "l": 0.35418,
    "c": 0.14857,
    "h": 273.9
  },
  "luminance": 0.04002
}

Semantic roles & 50–950 ramp

primary

#282C87

secondary

#B4B057

accent

#D74ADE

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080510

muted

#7B7A7F

Preview Lab

Preview with #282C87

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

Preview Lab → · Contrast checker → · Palette generator →