#282B87#282B87

#282B87 is a dark, vivid blue. Relative luminance 0.039; OKLCH L 35.2% C 0.150 H 274.2°. Best body text is #FFFFFF at 11.76:1 contrast (WCAG AA passes).

Color values

HEX	#282B87
RGB	rgb(40, 43, 135)
HSL	hsl(238, 54%, 34%)
HSV	hsv(238, 70%, 53%)
CMYK	cmyk(70.4%, 68.1%, 0%, 47.1%)
CIE-LAB	lab(23.43, 30.34, -51.73)
CIE-LCH	lch(23.43, 59.98, 300.39°)
OKLab	oklab(35.24% 0.0109 -0.1494)
OKLCH	oklch(35.24% 0.15 274.2)
XYZ	xyz(6.1107, 3.9276, 23.3530)
Luminance	0.0393 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#282B87 #878428

analogous

#285B87 #282B87 #552887

triadic

#282B87 #87282B #2B8728

tetradic

#282B87 #87285B #878428 #288755

square

#282B87 #87285B #878428 #288755

split-complementary

#282B87 #875528 #5B8728

monochromatic

#0C0D29 #1A1C58 #282B87 #363AB6 #5B5FCE

Accessibility & contrast

On white

11.76

#282B87 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#282B87 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #282B87

11.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##282B87	#FFFFFF	#000000	##FFFFFF
##282B87	1.00	11.76	1.79	11.76
#FFFFFF	11.76	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C8A

Deuteranopia (green-blind)

#003385

Tritanopia (blue-blind)

#004355

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #282b87;
/* rgb */ color: rgb(40, 43, 135);
/* oklch */ color: oklch(35.2% 0.150 274.2);

Tailwind

colors: {
  custom: {
    50: '#7064ab',
    500: '#282b87',
    950: '#000000',
  },
}

SCSS

$custom: #282b87;
$custom-light: #7064ab;
$custom-dark: #000000;

JSON

{
  "hex": "#282b87",
  "rgb": {
    "r": 40,
    "g": 43,
    "b": 135
  },
  "hsl": {
    "h": 238.105,
    "s": 54.286,
    "l": 34.314
  },
  "oklch": {
    "l": 0.3524,
    "c": 0.1498,
    "h": 274.2
  },
  "luminance": 0.03928
}

Semantic roles & 50–950 ramp

primary

#282B87

secondary

#B4B157

accent

#D94ADE

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080510

muted

#7B7A7F

Preview Lab

Preview with #282B87

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

Preview Lab → · Contrast checker → · Palette generator →