#282D90#282D90

#282D90 is a dark, vivid blue. Relative luminance 0.043; OKLCH L 36.5% C 0.160 H 273.1°. Best body text is #FFFFFF at 11.24:1 contrast (WCAG AA passes).

Color values

HEX	#282D90
RGB	rgb(40, 45, 144)
HSL	hsl(237, 57%, 36%)
HSV	hsv(237, 72%, 56%)
CMYK	cmyk(72.2%, 68.7%, 0%, 43.5%)
CIE-LAB	lab(24.77, 32.31, -55.14)
CIE-LCH	lch(24.77, 63.91, 300.37°)
OKLab	oklab(36.47% 0.0086 -0.1594)
OKLCH	oklch(36.47% 0.16 273.1)
XYZ	xyz(6.8458, 4.3408, 26.8572)
Luminance	0.0434 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#282D90 #908B28

analogous

#286190 #282D90 #572890

triadic

#282D90 #90282D #2D9028

tetradic

#282D90 #902861 #908B28 #289057

square

#282D90 #902861 #908B28 #289057

split-complementary

#282D90 #905728 #619028

monochromatic

#0D0F30 #1B1E60 #282D90 #353CC0 #6065D3

Accessibility & contrast

On white

11.24

#282D90 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#282D90 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #282D90

11.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##282D90	#FFFFFF	#000000	##FFFFFF
##282D90	1.00	11.24	1.87	11.24
#FFFFFF	11.24	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004093

Deuteranopia (green-blind)

#00368E

Tritanopia (blue-blind)

#00485A

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #282d90;
/* rgb */ color: rgb(40, 45, 144);
/* oklch */ color: oklch(36.5% 0.160 273.1);

Tailwind

colors: {
  custom: {
    50: '#7266b1',
    500: '#282d90',
    950: '#000000',
  },
}

SCSS

$custom: #282d90;
$custom-light: #7266b1;
$custom-dark: #000000;

JSON

{
  "hex": "#282d90",
  "rgb": {
    "r": 40,
    "g": 45,
    "b": 144
  },
  "hsl": {
    "h": 237.115,
    "s": 56.522,
    "l": 36.078
  },
  "oklch": {
    "l": 0.36472,
    "c": 0.15959,
    "h": 273.1
  },
  "luminance": 0.04342
}

Semantic roles & 50–950 ramp

primary

#282D90

secondary

#B8B45C

accent

#D948E0

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090611

muted

#7B7A80

Preview Lab

Preview with #282D90

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

Preview Lab → · Contrast checker → · Palette generator →