#283793#283793

#283793 is a dark, vivid blue. Relative luminance 0.053; OKLCH L 38.6% C 0.151 H 270.4°. Best body text is #FFFFFF at 10.20:1 contrast (WCAG AA passes).

Color values

HEX	#283793
RGB	rgb(40, 55, 147)
HSL	hsl(232, 57%, 37%)
HSV	hsv(232, 73%, 58%)
CMYK	cmyk(72.8%, 62.6%, 0%, 42.4%)
CIE-LAB	lab(27.54, 26.83, -52.45)
CIE-LCH	lch(27.54, 58.91, 297.09°)
OKLab	oklab(38.59% 0.0012 -0.1514)
OKLCH	oklch(38.59% 0.151 270.4)
XYZ	xyz(7.5059, 5.2893, 28.2235)
Luminance	0.0529 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#283793 #938428

analogous

#286D93 #283793 #4F2893

triadic

#283793 #932837 #379328

tetradic

#283793 #93286D #938428 #28934F

square

#283793 #93286D #938428 #28934F

split-complementary

#283793 #934F28 #6D9328

monochromatic

#0E1333 #1B2563 #283793 #3549C3 #6171D4

Accessibility & contrast

On white

10.20

#283793 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#283793 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #283793

10.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##283793	#FFFFFF	#000000	##FFFFFF
##283793	1.00	10.20	2.06	10.20
#FFFFFF	10.20	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004696

Deuteranopia (green-blind)

#003C91

Tritanopia (blue-blind)

#004E5F

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #283793;
/* rgb */ color: rgb(40, 55, 147);
/* oklch */ color: oklch(38.6% 0.151 270.4);

Tailwind

colors: {
  custom: {
    50: '#726db4',
    500: '#283793',
    950: '#000000',
  },
}

SCSS

$custom: #283793;
$custom-light: #726db4;
$custom-dark: #000000;

JSON

{
  "hex": "#283793",
  "rgb": {
    "r": 40,
    "g": 55,
    "b": 147
  },
  "hsl": {
    "h": 231.589,
    "s": 57.219,
    "l": 36.667
  },
  "oklch": {
    "l": 0.3859,
    "c": 0.15139,
    "h": 270.4
  },
  "luminance": 0.0529
}

Semantic roles & 50–950 ramp

primary

#283793

secondary

#BAAD5D

accent

#CB47E0

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090711

muted

#7B7A80

Preview Lab

Preview with #283793

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

Preview Lab → · Contrast checker → · Palette generator →