#281C92#281C92

#281C92 is a dark, vivid blue. Relative luminance 0.034; OKLCH L 34.2% C 0.180 H 275.6°. Best body text is #FFFFFF at 12.56:1 contrast (WCAG AA passes).

Color values

HEX	#281C92
RGB	rgb(40, 28, 146)
HSL	hsl(246, 68%, 34%)
HSV	hsv(246, 81%, 57%)
CMYK	cmyk(72.6%, 80.8%, 0%, 42.7%)
CIE-LAB	lab(21.42, 42.94, -61.90)
CIE-LCH	lch(21.42, 75.34, 304.75°)
OKLab	oklab(34.15% 0.0177 -0.179)
OKLCH	oklch(34.15% 0.18 275.6)
XYZ	xyz(6.4769, 3.3563, 27.4951)
Luminance	0.0336 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#281C92 #86921C

analogous

#1C4B92 #281C92 #631C92

triadic

#281C92 #92281C #1C9228

tetradic

#281C92 #921C4B #86921C #1C9263

square

#281C92 #921C4B #86921C #1C9263

split-complementary

#281C92 #92631C #4B921C

monochromatic

#0C082B #1A125F #281C92 #3626C5 #5B4CDD

Accessibility & contrast

On white

12.56

#281C92 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#281C92 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #281C92

12.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##281C92	#FFFFFF	#000000	##FFFFFF
##281C92	1.00	12.56	1.67	12.56
#FFFFFF	12.56	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003895

Deuteranopia (green-blind)

#002E90

Tritanopia (blue-blind)

#004057

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #281c92;
/* rgb */ color: rgb(40, 28, 146);
/* oklch */ color: oklch(34.2% 0.180 275.6);

Tailwind

colors: {
  custom: {
    50: '#745cb3',
    500: '#281c92',
    950: '#000000',
  },
}

SCSS

$custom: #281c92;
$custom-light: #745cb3;
$custom-dark: #000000;

JSON

{
  "hex": "#281c92",
  "rgb": {
    "r": 40,
    "g": 28,
    "b": 146
  },
  "hsl": {
    "h": 246.102,
    "s": 67.816,
    "l": 34.118
  },
  "oklch": {
    "l": 0.34151,
    "c": 0.17983,
    "h": 275.6
  },
  "luminance": 0.03357
}

Semantic roles & 50–950 ramp

primary

#281C92

secondary

#B3BF4B

accent

#EB3DD9

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0411

muted

#7C7980

Preview Lab

Preview with #281C92

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

Preview Lab → · Contrast checker → · Palette generator →