#282B9F#282B9F

#282B9F is a dark, vivid blue. Relative luminance 0.047; OKLCH L 37.7% C 0.181 H 272.4°. Best body text is #FFFFFF at 10.84:1 contrast (WCAG AA passes).

Color values

HEX	#282B9F
RGB	rgb(40, 43, 159)
HSL	hsl(238, 60%, 39%)
HSV	hsv(238, 75%, 62%)
CMYK	cmyk(74.8%, 73%, 0%, 37.6%)
CIE-LAB	lab(25.81, 38.88, -62.64)
CIE-LCH	lch(25.81, 73.72, 301.83°)
OKLab	oklab(37.67% 0.0078 -0.1812)
OKLCH	oklch(37.67% 0.181 272.4)
XYZ	xyz(7.9949, 4.6812, 33.2764)
Luminance	0.0468 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#282B9F #9F9C28

analogous

#28679F #282B9F #61289F

triadic

#282B9F #9F282B #2B9F28

tetradic

#282B9F #9F2867 #9F9C28 #289F61

square

#282B9F #9F2867 #9F9C28 #289F61

split-complementary

#282B9F #9F6128 #679F28

monochromatic

#0F113D #1C1E6E #282B9F #373BCD #686BD9

Accessibility & contrast

On white

10.84

#282B9F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#282B9F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #282B9F

10.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##282B9F	#FFFFFF	#000000	##FFFFFF
##282B9F	1.00	10.84	1.94	10.84
#FFFFFF	10.84	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0043A2

Deuteranopia (green-blind)

#00379D

Tritanopia (blue-blind)

#004C62

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #282b9f;
/* rgb */ color: rgb(40, 43, 159);
/* oklch */ color: oklch(37.7% 0.181 272.4);

Tailwind

colors: {
  custom: {
    50: '#7665bd',
    500: '#282b9f',
    950: '#000000',
  },
}

SCSS

$custom: #282b9f;
$custom-light: #7665bd;
$custom-dark: #000000;

JSON

{
  "hex": "#282b9f",
  "rgb": {
    "r": 40,
    "g": 43,
    "b": 159
  },
  "hsl": {
    "h": 238.487,
    "s": 59.799,
    "l": 39.02
  },
  "oklch": {
    "l": 0.37672,
    "c": 0.18141,
    "h": 272.4
  },
  "luminance": 0.04682
}

Semantic roles & 50–950 ramp

primary

#282B9F

secondary

#BFBD64

accent

#DF45E3

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #282B9F

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

Preview Lab → · Contrast checker → · Palette generator →