#281B96#281B96

#281B96 is a dark, vivid blue. Relative luminance 0.034; OKLCH L 34.5% C 0.185 H 275.3°. Best body text is #FFFFFF at 12.45:1 contrast (WCAG AA passes).

Color values

HEX	#281B96
RGB	rgb(40, 27, 150)
HSL	hsl(246, 69%, 35%)
HSV	hsv(246, 82%, 59%)
CMYK	cmyk(73.3%, 82%, 0%, 41.2%)
CIE-LAB	lab(21.71, 44.71, -63.89)
CIE-LCH	lch(21.71, 77.98, 304.99°)
OKLab	oklab(34.49% 0.017 -0.1847)
OKLCH	oklch(34.49% 0.185 275.3)
XYZ	xyz(6.7702, 3.4363, 29.1547)
Luminance	0.0344 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#281B96 #89961B

analogous

#1B4C96 #281B96 #651B96

triadic

#281B96 #96281B #1B9628

tetradic

#281B96 #961B4C #89961B #1B9665

square

#281B96 #961B4C #89961B #1B9665

split-complementary

#281B96 #96651B #4C961B

monochromatic

#0C082E #1A1262 #281B96 #3624CA #5C4DDF

Accessibility & contrast

On white

12.45

#281B96 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#281B96 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #281B96

12.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##281B96	#FFFFFF	#000000	##FFFFFF
##281B96	1.00	12.45	1.69	12.45
#FFFFFF	12.45	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003999

Deuteranopia (green-blind)

#002E94

Tritanopia (blue-blind)

#004159

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #281b96;
/* rgb */ color: rgb(40, 27, 150);
/* oklch */ color: oklch(34.5% 0.185 275.3);

Tailwind

colors: {
  custom: {
    50: '#755bb6',
    500: '#281b96',
    950: '#000000',
  },
}

SCSS

$custom: #281b96;
$custom-light: #755bb6;
$custom-dark: #000000;

JSON

{
  "hex": "#281b96",
  "rgb": {
    "r": 40,
    "g": 27,
    "b": 150
  },
  "hsl": {
    "h": 246.341,
    "s": 69.492,
    "l": 34.706
  },
  "oklch": {
    "l": 0.34493,
    "c": 0.18549,
    "h": 275.3
  },
  "luminance": 0.03437
}

Semantic roles & 50–950 ramp

primary

#281B96

secondary

#B5C14C

accent

#EC3BDA

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0411

muted

#7C7980

Preview Lab

Preview with #281B96

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

Preview Lab → · Contrast checker → · Palette generator →