#283384#283384

#283384 is a dark, vivid blue. Relative luminance 0.045; OKLCH L 36.5% C 0.135 H 272.0°. Best body text is #FFFFFF at 11.07:1 contrast (WCAG AA passes).

Color values

HEX	#283384
RGB	rgb(40, 51, 132)
HSL	hsl(233, 53%, 34%)
HSV	hsv(233, 70%, 52%)
CMYK	cmyk(69.7%, 61.4%, 0%, 48.2%)
CIE-LAB	lab(25.21, 23.88, -46.95)
CIE-LCH	lch(25.21, 52.67, 296.96°)
OKLab	oklab(36.46% 0.0046 -0.1353)
OKLCH	oklch(36.46% 0.135 272)
XYZ	xyz(6.2224, 4.4841, 22.3629)
Luminance	0.0449 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#283384 #847928

analogous

#286184 #283384 #4B2884

triadic

#283384 #842833 #338428

tetradic

#283384 #842861 #847928 #28844B

square

#283384 #842861 #847928 #28844B

split-complementary

#283384 #844B28 #618428

monochromatic

#0C0F26 #1A2155 #283384 #3645B3 #5A67CD

Accessibility & contrast

On white

11.07

#283384 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#283384 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #283384

11.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##283384	#FFFFFF	#000000	##FFFFFF
##283384	1.00	11.07	1.90	11.07
#FFFFFF	11.07	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004087

Deuteranopia (green-blind)

#003882

Tritanopia (blue-blind)

#004756

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #283384;
/* rgb */ color: rgb(40, 51, 132);
/* oklch */ color: oklch(36.5% 0.135 272.0);

Tailwind

colors: {
  custom: {
    50: '#6e6aa8',
    500: '#283384',
    950: '#000000',
  },
}

SCSS

$custom: #283384;
$custom-light: #6e6aa8;
$custom-dark: #000000;

JSON

{
  "hex": "#283384",
  "rgb": {
    "r": 40,
    "g": 51,
    "b": 132
  },
  "hsl": {
    "h": 232.826,
    "s": 53.488,
    "l": 33.725
  },
  "oklch": {
    "l": 0.36465,
    "c": 0.13537,
    "h": 272
  },
  "luminance": 0.04485
}

Semantic roles & 50–950 ramp

primary

#283384

secondary

#B2A756

accent

#CB4BDD

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080610

muted

#7B7A7F

Preview Lab

Preview with #283384

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

Preview Lab → · Contrast checker → · Palette generator →