#282C9E#282C9E

#282C9E is a dark, vivid blue. Relative luminance 0.047; OKLCH L 37.7% C 0.179 H 272.4°. Best body text is #FFFFFF at 10.80:1 contrast (WCAG AA passes).

Color values

HEX	#282C9E
RGB	rgb(40, 44, 158)
HSL	hsl(238, 60%, 39%)
HSV	hsv(238, 75%, 62%)
CMYK	cmyk(74.7%, 72.2%, 0%, 38%)
CIE-LAB	lab(25.92, 37.92, -61.84)
CIE-LCH	lch(25.92, 72.54, 301.52°)
OKLab	oklab(37.72% 0.0074 -0.1789)
OKLCH	oklch(37.72% 0.179 272.4)
XYZ	xyz(7.9452, 4.7203, 32.8335)
Luminance	0.0472 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#282C9E #9E9A28

analogous

#28679E #282C9E #5F289E

triadic

#282C9E #9E282C #2C9E28

tetradic

#282C9E #9E2867 #9E9A28 #289E5F

square

#282C9E #9E2867 #9E9A28 #289E5F

split-complementary

#282C9E #9E5F28 #679E28

monochromatic

#0F113C #1C1E6D #282C9E #373CCC #686CD9

Accessibility & contrast

On white

10.80

#282C9E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#282C9E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #282C9E

10.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##282C9E	#FFFFFF	#000000	##FFFFFF
##282C9E	1.00	10.80	1.94	10.80
#FFFFFF	10.80	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0043A1

Deuteranopia (green-blind)

#00389C

Tritanopia (blue-blind)

#004C62

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #282c9e;
/* rgb */ color: rgb(40, 44, 158);
/* oklch */ color: oklch(37.7% 0.179 272.4);

Tailwind

colors: {
  custom: {
    50: '#7566bc',
    500: '#282c9e',
    950: '#000000',
  },
}

SCSS

$custom: #282c9e;
$custom-light: #7566bc;
$custom-dark: #000000;

JSON

{
  "hex": "#282c9e",
  "rgb": {
    "r": 40,
    "g": 44,
    "b": 158
  },
  "hsl": {
    "h": 237.966,
    "s": 59.596,
    "l": 38.824
  },
  "oklch": {
    "l": 0.37724,
    "c": 0.17906,
    "h": 272.4
  },
  "luminance": 0.04721
}

Semantic roles & 50–950 ramp

primary

#282C9E

secondary

#BFBC63

accent

#DD45E3

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #282C9E

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

Preview Lab → · Contrast checker → · Palette generator →