#281D92#281D92

#281D92 is a dark, vivid blue. Relative luminance 0.034; OKLCH L 34.3% C 0.179 H 275.5°. Best body text is #FFFFFF at 12.49:1 contrast (WCAG AA passes).

Color values

HEX	#281D92
RGB	rgb(40, 29, 146)
HSL	hsl(246, 67%, 34%)
HSV	hsv(246, 80%, 57%)
CMYK	cmyk(72.6%, 80.1%, 0%, 42.7%)
CIE-LAB	lab(21.60, 42.43, -61.61)
CIE-LCH	lch(21.60, 74.80, 304.56°)
OKLab	oklab(34.28% 0.0172 -0.1781)
OKLCH	oklch(34.28% 0.179 275.5)
XYZ	xyz(6.5010, 3.4045, 27.5031)
Luminance	0.0340 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#281D92 #87921D

analogous

#1D4D92 #281D92 #631D92

triadic

#281D92 #92281D #1D9228

tetradic

#281D92 #921D4D #87921D #1D9263

square

#281D92 #921D4D #87921D #1D9263

split-complementary

#281D92 #92631D #4D921D

monochromatic

#0C092C #1A135F #281D92 #3627C5 #5B4EDC

Accessibility & contrast

On white

12.49

#281D92 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#281D92 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #281D92

12.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##281D92	#FFFFFF	#000000	##FFFFFF
##281D92	1.00	12.49	1.68	12.49
#FFFFFF	12.49	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003995

Deuteranopia (green-blind)

#002E90

Tritanopia (blue-blind)

#004157

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #281d92;
/* rgb */ color: rgb(40, 29, 146);
/* oklch */ color: oklch(34.3% 0.179 275.5);

Tailwind

colors: {
  custom: {
    50: '#745cb3',
    500: '#281d92',
    950: '#000000',
  },
}

SCSS

$custom: #281d92;
$custom-light: #745cb3;
$custom-dark: #000000;

JSON

{
  "hex": "#281d92",
  "rgb": {
    "r": 40,
    "g": 29,
    "b": 146
  },
  "hsl": {
    "h": 245.641,
    "s": 66.857,
    "l": 34.314
  },
  "oklch": {
    "l": 0.34276,
    "c": 0.17895,
    "h": 275.5
  },
  "luminance": 0.03405
}

Semantic roles & 50–950 ramp

primary

#281D92

secondary

#B4BE4C

accent

#EA3EDA

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#090411

muted

#7B7980

Preview Lab

Preview with #281D92

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

Preview Lab → · Contrast checker → · Palette generator →