#282E99#282E99

#282E99 is a dark, vivid blue. Relative luminance 0.047; OKLCH L 37.5% C 0.170 H 272.3°. Best body text is #FFFFFF at 10.82:1 contrast (WCAG AA passes).

Color values

HEX	#282E99
RGB	rgb(40, 46, 153)
HSL	hsl(237, 59%, 38%)
HSV	hsv(237, 74%, 60%)
CMYK	cmyk(73.9%, 69.9%, 0%, 40%)
CIE-LAB	lab(25.87, 34.91, -58.86)
CIE-LCH	lch(25.87, 68.44, 300.67°)
OKLab	oklab(37.54% 0.0069 -0.1702)
OKLCH	oklch(37.54% 0.17 272.3)
XYZ	xyz(7.5999, 4.7042, 30.6383)
Luminance	0.0471 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#282E99 #999328

analogous

#286699 #282E99 #5A2899

triadic

#282E99 #99282E #2E9928

tetradic

#282E99 #992866 #999328 #28995A

square

#282E99 #992866 #999328 #28995A

split-complementary

#282E99 #995A28 #669928

monochromatic

#0F1138 #1B1F68 #282E99 #353DCA #656BD7

Accessibility & contrast

On white

10.82

#282E99 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#282E99 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #282E99

10.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##282E99	#FFFFFF	#000000	##FFFFFF
##282E99	1.00	10.82	1.94	10.82
#FFFFFF	10.82	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00439C

Deuteranopia (green-blind)

#003897

Tritanopia (blue-blind)

#004B60

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #282e99;
/* rgb */ color: rgb(40, 46, 153);
/* oklch */ color: oklch(37.5% 0.170 272.3);

Tailwind

colors: {
  custom: {
    50: '#7467b8',
    500: '#282e99',
    950: '#000000',
  },
}

SCSS

$custom: #282e99;
$custom-light: #7467b8;
$custom-dark: #000000;

JSON

{
  "hex": "#282e99",
  "rgb": {
    "r": 40,
    "g": 46,
    "b": 153
  },
  "hsl": {
    "h": 236.814,
    "s": 58.549,
    "l": 37.843
  },
  "oklch": {
    "l": 0.37539,
    "c": 0.17037,
    "h": 272.3
  },
  "luminance": 0.04705
}

Semantic roles & 50–950 ramp

primary

#282E99

secondary

#BDB860

accent

#D946E2

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#090611

muted

#7B7A80

Preview Lab

Preview with #282E99

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

Preview Lab → · Contrast checker → · Palette generator →