#281990#281990

#281990 is a dark, vivid blue. Relative luminance 0.032; OKLCH L 33.6% C 0.180 H 276.2°. Best body text is #FFFFFF at 12.87:1 contrast (WCAG AA passes).

Color values

HEX	#281990
RGB	rgb(40, 25, 144)
HSL	hsl(248, 70%, 33%)
HSV	hsv(248, 83%, 56%)
CMYK	cmyk(72.2%, 82.6%, 0%, 43.5%)
CIE-LAB	lab(20.67, 43.80, -61.90)
CIE-LCH	lch(20.67, 75.83, 305.29°)
OKLab	oklab(33.56% 0.0195 -0.1789)
OKLCH	oklch(33.56% 0.18 276.2)
XYZ	xyz(6.2551, 3.1594, 26.6603)
Luminance	0.0316 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#281990 #819019

analogous

#194590 #281990 #631990

triadic

#281990 #902819 #199028

tetradic

#281990 #901945 #819019 #199063

square

#281990 #901945 #819019 #199063

split-complementary

#281990 #906319 #459019

monochromatic

#0B0728 #1A105C #281990 #3622C4 #5845DF

Accessibility & contrast

On white

12.87

#281990 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#281990 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #281990

12.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##281990	#FFFFFF	#000000	##FFFFFF
##281990	1.00	12.87	1.63	12.87
#FFFFFF	12.87	1.00	21.00	1.00
#000000	1.63	21.00	1.00	21.00
##FFFFFF	12.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003793

Deuteranopia (green-blind)

#002C8E

Tritanopia (blue-blind)

#003E55

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #281990;
/* rgb */ color: rgb(40, 25, 144);
/* oklch */ color: oklch(33.6% 0.180 276.2);

Tailwind

colors: {
  custom: {
    50: '#745ab2',
    500: '#281990',
    950: '#000000',
  },
}

SCSS

$custom: #281990;
$custom-light: #745ab2;
$custom-dark: #000000;

JSON

{
  "hex": "#281990",
  "rgb": {
    "r": 40,
    "g": 25,
    "b": 144
  },
  "hsl": {
    "h": 247.563,
    "s": 70.414,
    "l": 33.137
  },
  "oklch": {
    "l": 0.33564,
    "c": 0.17996,
    "h": 276.2
  },
  "luminance": 0.0316
}

Semantic roles & 50–950 ramp

primary

#281990

secondary

#B0C045

accent

#ED3BD7

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#090411

muted

#7B7980

Preview Lab

Preview with #281990

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

Preview Lab → · Contrast checker → · Palette generator →