#281793#281793

#281793 is a dark, vivid blue. Relative luminance 0.032; OKLCH L 33.7% C 0.185 H 276.0°. Best body text is #FFFFFF at 12.85:1 contrast (WCAG AA passes).

Color values

HEX	#281793
RGB	rgb(40, 23, 147)
HSL	hsl(248, 73%, 33%)
HSV	hsv(248, 84%, 58%)
CMYK	cmyk(72.8%, 84.4%, 0%, 42.4%)
CIE-LAB	lab(20.71, 45.66, -63.69)
CIE-LCH	lch(20.71, 78.37, 305.64°)
OKLab	oklab(33.7% 0.0194 -0.1841)
OKLCH	oklch(33.7% 0.185 276)
XYZ	xyz(6.4462, 3.1699, 27.8702)
Luminance	0.0317 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#281793 #829317

analogous

#174493 #281793 #661793

triadic

#281793 #932817 #179328

tetradic

#281793 #931744 #829317 #179366

square

#281793 #931744 #829317 #179366

split-complementary

#281793 #936617 #449317

monochromatic

#0B0629 #1A0F5E #281793 #361FC8 #5943E2

Accessibility & contrast

On white

12.85

#281793 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#281793 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #281793

12.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##281793	#FFFFFF	#000000	##FFFFFF
##281793	1.00	12.85	1.63	12.85
#FFFFFF	12.85	1.00	21.00	1.00
#000000	1.63	21.00	1.00	21.00
##FFFFFF	12.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003796

Deuteranopia (green-blind)

#002C91

Tritanopia (blue-blind)

#003F57

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #281793;
/* rgb */ color: rgb(40, 23, 147);
/* oklch */ color: oklch(33.7% 0.185 276.0);

Tailwind

colors: {
  custom: {
    50: '#7459b4',
    500: '#281793',
    950: '#000000',
  },
}

SCSS

$custom: #281793;
$custom-light: #7459b4;
$custom-dark: #000000;

JSON

{
  "hex": "#281793",
  "rgb": {
    "r": 40,
    "g": 23,
    "b": 147
  },
  "hsl": {
    "h": 248.226,
    "s": 72.941,
    "l": 33.333
  },
  "oklch": {
    "l": 0.33697,
    "c": 0.1851,
    "h": 276
  },
  "luminance": 0.0317
}

Semantic roles & 50–950 ramp

primary

#281793

secondary

#B1C244

accent

#F038D6

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0411

muted

#7C7980

Preview Lab

Preview with #281793

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

Preview Lab → · Contrast checker → · Palette generator →