#282B91#282B91

#282B91 is a dark, vivid blue. Relative luminance 0.042; OKLCH L 36.2% C 0.163 H 273.4°. Best body text is #FFFFFF at 11.38:1 contrast (WCAG AA passes).

Color values

HEX	#282B91
RGB	rgb(40, 43, 145)
HSL	hsl(238, 57%, 36%)
HSV	hsv(238, 72%, 57%)
CMYK	cmyk(72.4%, 70.3%, 0%, 43.1%)
CIE-LAB	lab(24.39, 33.95, -56.37)
CIE-LCH	lch(24.39, 65.80, 301.05°)
OKLab	oklab(36.23% 0.0098 -0.163)
OKLCH	oklch(36.23% 0.163 273.4)
XYZ	xyz(6.8481, 4.2225, 27.2367)
Luminance	0.0422 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#282B91 #918E28

analogous

#286091 #282B91 #5A2891

triadic

#282B91 #91282B #2B9128

tetradic

#282B91 #912860 #918E28 #28915A

square

#282B91 #912860 #918E28 #28915A

split-complementary

#282B91 #915A28 #609128

monochromatic

#0E0F31 #1B1D61 #282B91 #3539C1 #6063D3

Accessibility & contrast

On white

11.38

#282B91 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#282B91 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #282B91

11.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##282B91	#FFFFFF	#000000	##FFFFFF
##282B91	1.00	11.38	1.84	11.38
#FFFFFF	11.38	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F94

Deuteranopia (green-blind)

#00358F

Tritanopia (blue-blind)

#00475A

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #282b91;
/* rgb */ color: rgb(40, 43, 145);
/* oklch */ color: oklch(36.2% 0.163 273.4);

Tailwind

colors: {
  custom: {
    50: '#7265b2',
    500: '#282b91',
    950: '#000000',
  },
}

SCSS

$custom: #282b91;
$custom-light: #7265b2;
$custom-dark: #000000;

JSON

{
  "hex": "#282b91",
  "rgb": {
    "r": 40,
    "g": 43,
    "b": 145
  },
  "hsl": {
    "h": 238.286,
    "s": 56.757,
    "l": 36.275
  },
  "oklch": {
    "l": 0.36231,
    "c": 0.16325,
    "h": 273.4
  },
  "luminance": 0.04223
}

Semantic roles & 50–950 ramp

primary

#282B91

secondary

#B9B65C

accent

#DC48E0

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090511

muted

#7B7A80

Preview Lab

Preview with #282B91

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

Preview Lab → · Contrast checker → · Palette generator →