#282D91#282D91

#282D91 is a dark, vivid blue. Relative luminance 0.044; OKLCH L 36.6% C 0.161 H 273.0°. Best body text is #FFFFFF at 11.20:1 contrast (WCAG AA passes).

Color values

HEX	#282D91
RGB	rgb(40, 45, 145)
HSL	hsl(237, 57%, 36%)
HSV	hsv(237, 72%, 57%)
CMYK	cmyk(72.4%, 69%, 0%, 43.1%)
CIE-LAB	lab(24.86, 32.67, -55.60)
CIE-LCH	lch(24.86, 64.49, 300.44°)
OKLab	oklab(36.57% 0.0085 -0.1607)
OKLCH	oklch(36.57% 0.161 273)
XYZ	xyz(6.9226, 4.3715, 27.2615)
Luminance	0.0437 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#282D91 #918C28

analogous

#286291 #282D91 #582891

triadic

#282D91 #91282D #2D9128

tetradic

#282D91 #912862 #918C28 #289158

square

#282D91 #912862 #918C28 #289158

split-complementary

#282D91 #915828 #629128

monochromatic

#0E0F31 #1B1E61 #282D91 #353CC1 #6066D3

Accessibility & contrast

On white

11.20

#282D91 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#282D91 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #282D91

11.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##282D91	#FFFFFF	#000000	##FFFFFF
##282D91	1.00	11.20	1.87	11.20
#FFFFFF	11.20	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004094

Deuteranopia (green-blind)

#00368F

Tritanopia (blue-blind)

#00485B

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #282d91;
/* rgb */ color: rgb(40, 45, 145);
/* oklch */ color: oklch(36.6% 0.161 273.0);

Tailwind

colors: {
  custom: {
    50: '#7266b2',
    500: '#282d91',
    950: '#000000',
  },
}

SCSS

$custom: #282d91;
$custom-light: #7266b2;
$custom-dark: #000000;

JSON

{
  "hex": "#282d91",
  "rgb": {
    "r": 40,
    "g": 45,
    "b": 145
  },
  "hsl": {
    "h": 237.143,
    "s": 56.757,
    "l": 36.275
  },
  "oklch": {
    "l": 0.36571,
    "c": 0.16093,
    "h": 273
  },
  "luminance": 0.04372
}

Semantic roles & 50–950 ramp

primary

#282D91

secondary

#B9B45C

accent

#D948E0

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090611

muted

#7B7A80

Preview Lab

Preview with #282D91

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

Preview Lab → · Contrast checker → · Palette generator →