#281794#281794

#281794 is a dark, vivid blue. Relative luminance 0.032; OKLCH L 33.8% C 0.186 H 275.9°. Best body text is #FFFFFF at 12.80:1 contrast (WCAG AA passes).

Color values

HEX	#281794
RGB	rgb(40, 23, 148)
HSL	hsl(248, 73%, 34%)
HSV	hsv(248, 84%, 58%)
CMYK	cmyk(73%, 84.5%, 0%, 42%)
CIE-LAB	lab(20.83, 45.97, -64.11)
CIE-LCH	lch(20.83, 78.89, 305.64°)
OKLab	oklab(33.82% 0.0191 -0.1853)
OKLCH	oklch(33.82% 0.186 275.9)
XYZ	xyz(6.5250, 3.2014, 28.2853)
Luminance	0.0320 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#281794 #839417

analogous

#174494 #281794 #661794

triadic

#281794 #942817 #179428

tetradic

#281794 #941744 #839417 #179466

square

#281794 #941744 #839417 #179466

split-complementary

#281794 #946617 #449417

monochromatic

#0B072A #1A0F5F #281794 #361FC9 #5944E2

Accessibility & contrast

On white

12.80

#281794 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#281794 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #281794

12.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##281794	#FFFFFF	#000000	##FFFFFF
##281794	1.00	12.80	1.64	12.80
#FFFFFF	12.80	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003797

Deuteranopia (green-blind)

#002D92

Tritanopia (blue-blind)

#003F57

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #281794;
/* rgb */ color: rgb(40, 23, 148);
/* oklch */ color: oklch(33.8% 0.186 275.9);

Tailwind

colors: {
  custom: {
    50: '#7559b5',
    500: '#281794',
    950: '#000000',
  },
}

SCSS

$custom: #281794;
$custom-light: #7559b5;
$custom-dark: #000000;

JSON

{
  "hex": "#281794",
  "rgb": {
    "r": 40,
    "g": 23,
    "b": 148
  },
  "hsl": {
    "h": 248.16,
    "s": 73.099,
    "l": 33.529
  },
  "oklch": {
    "l": 0.33815,
    "c": 0.18627,
    "h": 275.9
  },
  "luminance": 0.03202
}

Semantic roles & 50–950 ramp

primary

#281794

secondary

#B1C344

accent

#F038D7

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0411

muted

#7C7980

Preview Lab

Preview with #281794

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

Preview Lab → · Contrast checker → · Palette generator →