#281993#281993

#281993 is a dark, vivid blue. Relative luminance 0.033; OKLCH L 33.9% C 0.184 H 275.8°. Best body text is #FFFFFF at 12.72:1 contrast (WCAG AA passes).

Color values

HEX	#281993
RGB	rgb(40, 25, 147)
HSL	hsl(247, 71%, 34%)
HSV	hsv(247, 83%, 58%)
CMYK	cmyk(72.8%, 83%, 0%, 42.4%)
CIE-LAB	lab(21.03, 44.74, -63.17)
CIE-LCH	lch(21.03, 77.40, 305.31°)
OKLab	oklab(33.92% 0.0186 -0.1826)
OKLCH	oklch(33.92% 0.184 275.8)
XYZ	xyz(6.4874, 3.2523, 27.8840)
Luminance	0.0325 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#281993 #849319

analogous

#194793 #281993 #651993

triadic

#281993 #932819 #199328

tetradic

#281993 #931947 #849319 #199365

square

#281993 #931947 #849319 #199365

split-complementary

#281993 #936519 #479319

monochromatic

#0C072A #1A105F #281993 #3622C7 #5A47E0

Accessibility & contrast

On white

12.72

#281993 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#281993 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #281993

12.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##281993	#FFFFFF	#000000	##FFFFFF
##281993	1.00	12.72	1.65	12.72
#FFFFFF	12.72	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003896

Deuteranopia (green-blind)

#002D91

Tritanopia (blue-blind)

#003F57

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #281993;
/* rgb */ color: rgb(40, 25, 147);
/* oklch */ color: oklch(33.9% 0.184 275.8);

Tailwind

colors: {
  custom: {
    50: '#745ab4',
    500: '#281993',
    950: '#000000',
  },
}

SCSS

$custom: #281993;
$custom-light: #745ab4;
$custom-dark: #000000;

JSON

{
  "hex": "#281993",
  "rgb": {
    "r": 40,
    "g": 25,
    "b": 147
  },
  "hsl": {
    "h": 247.377,
    "s": 70.93,
    "l": 33.725
  },
  "oklch": {
    "l": 0.33915,
    "c": 0.18354,
    "h": 275.8
  },
  "luminance": 0.03253
}

Semantic roles & 50–950 ramp

primary

#281993

secondary

#B2C147

accent

#EE3AD8

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0411

muted

#7C7980

Preview Lab

Preview with #281993

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

Preview Lab → · Contrast checker → · Palette generator →