#283184#283184

#283184 is a dark, vivid blue. Relative luminance 0.043; OKLCH L 36.1% C 0.138 H 272.6°. Best body text is #FFFFFF at 11.27:1 contrast (WCAG AA passes).

Color values

HEX	#283184
RGB	rgb(40, 49, 132)
HSL	hsl(234, 53%, 34%)
HSV	hsv(234, 70%, 52%)
CMYK	cmyk(69.7%, 62.9%, 0%, 48.2%)
CIE-LAB	lab(24.68, 25.24, -47.81)
CIE-LCH	lch(24.68, 54.07, 297.83°)
OKLab	oklab(36.07% 0.0064 -0.1379)
OKLCH	oklch(36.07% 0.138 272.6)
XYZ	xyz(6.1368, 4.3131, 22.3344)
Luminance	0.0431 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#283184 #847B28

analogous

#285F84 #283184 #4D2884

triadic

#283184 #842831 #318428

tetradic

#283184 #84285F #847B28 #28844D

square

#283184 #84285F #847B28 #28844D

split-complementary

#283184 #844D28 #5F8428

monochromatic

#0C0E26 #1A2055 #283184 #3642B3 #5A65CD

Accessibility & contrast

On white

11.27

#283184 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#283184 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #283184

11.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##283184	#FFFFFF	#000000	##FFFFFF
##283184	1.00	11.27	1.86	11.27
#FFFFFF	11.27	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F87

Deuteranopia (green-blind)

#003682

Tritanopia (blue-blind)

#004655

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #283184;
/* rgb */ color: rgb(40, 49, 132);
/* oklch */ color: oklch(36.1% 0.138 272.6);

Tailwind

colors: {
  custom: {
    50: '#6e69a9',
    500: '#283184',
    950: '#000000',
  },
}

SCSS

$custom: #283184;
$custom-light: #6e69a9;
$custom-dark: #000000;

JSON

{
  "hex": "#283184",
  "rgb": {
    "r": 40,
    "g": 49,
    "b": 132
  },
  "hsl": {
    "h": 234.13,
    "s": 53.488,
    "l": 33.725
  },
  "oklch": {
    "l": 0.36072,
    "c": 0.13801,
    "h": 272.6
  },
  "luminance": 0.04314
}

Semantic roles & 50–950 ramp

primary

#283184

secondary

#B2A956

accent

#CF4BDD

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080610

muted

#7B7A7F

Preview Lab

Preview with #283184

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

Preview Lab → · Contrast checker → · Palette generator →