#281C97#281C97

#281C97 is a dark, vivid blue. Relative luminance 0.035; OKLCH L 34.7% C 0.186 H 275.0°. Best body text is #FFFFFF at 12.33:1 contrast (WCAG AA passes).

Color values

HEX	#281C97
RGB	rgb(40, 28, 151)
HSL	hsl(246, 69%, 35%)
HSV	hsv(246, 81%, 59%)
CMYK	cmyk(73.5%, 81.5%, 0%, 40.8%)
CIE-LAB	lab(22.00, 44.53, -64.03)
CIE-LCH	lch(22.00, 77.99, 304.82°)
OKLab	oklab(34.73% 0.0163 -0.1851)
OKLCH	oklch(34.73% 0.186 275)
XYZ	xyz(6.8744, 3.5153, 29.5884)
Luminance	0.0352 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#281C97 #8B971C

analogous

#1C4D97 #281C97 #661C97

triadic

#281C97 #97281C #1C9728

tetradic

#281C97 #971C4D #8B971C #1C9766

square

#281C97 #971C4D #8B971C #1C9766

split-complementary

#281C97 #97661C #4D971C

monochromatic

#0D0930 #1A1263 #281C97 #3626CB #5D4FDE

Accessibility & contrast

On white

12.33

#281C97 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#281C97 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #281C97

12.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##281C97	#FFFFFF	#000000	##FFFFFF
##281C97	1.00	12.33	1.70	12.33
#FFFFFF	12.33	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A9A

Deuteranopia (green-blind)

#002F95

Tritanopia (blue-blind)

#00425A

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #281c97;
/* rgb */ color: rgb(40, 28, 151);
/* oklch */ color: oklch(34.7% 0.186 275.0);

Tailwind

colors: {
  custom: {
    50: '#755cb7',
    500: '#281c97',
    950: '#000000',
  },
}

SCSS

$custom: #281c97;
$custom-light: #755cb7;
$custom-dark: #000000;

JSON

{
  "hex": "#281c97",
  "rgb": {
    "r": 40,
    "g": 28,
    "b": 151
  },
  "hsl": {
    "h": 245.854,
    "s": 68.715,
    "l": 35.098
  },
  "oklch": {
    "l": 0.34726,
    "c": 0.18586,
    "h": 275
  },
  "luminance": 0.03516
}

Semantic roles & 50–950 ramp

primary

#281C97

secondary

#B6C14E

accent

#EC3CDA

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0411

muted

#7C7980

Preview Lab

Preview with #281C97

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

Preview Lab → · Contrast checker → · Palette generator →