#281F86#281F86

#281F86 is a dark, vivid blue. Relative luminance 0.032; OKLCH L 33.2% C 0.162 H 276.8°. Best body text is #FFFFFF at 12.88:1 contrast (WCAG AA passes).

Color values

HEX	#281F86
RGB	rgb(40, 31, 134)
HSL	hsl(245, 62%, 32%)
HSV	hsv(245, 77%, 53%)
CMYK	cmyk(70.1%, 76.9%, 0%, 47.5%)
CIE-LAB	lab(20.64, 37.39, -55.69)
CIE-LCH	lch(20.64, 67.08, 303.88°)
OKLab	oklab(33.21% 0.0192 -0.1609)
OKLCH	oklch(33.21% 0.162 276.8)
XYZ	xyz(5.6667, 3.1518, 22.8594)
Luminance	0.0315 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#281F86 #7D861F

analogous

#1F4986 #281F86 #5C1F86

triadic

#281F86 #86281F #1F8628

tetradic

#281F86 #861F49 #7D861F #1F865C

square

#281F86 #861F49 #7D861F #1F865C

split-complementary

#281F86 #865C1F #49861F

monochromatic

#0A0823 #191454 #281F86 #372AB8 #564AD5

Accessibility & contrast

On white

12.88

#281F86 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#281F86 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #281F86

12.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##281F86	#FFFFFF	#000000	##FFFFFF
##281F86	1.00	12.88	1.63	12.88
#FFFFFF	12.88	1.00	21.00	1.00
#000000	1.63	21.00	1.00	21.00
##FFFFFF	12.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003689

Deuteranopia (green-blind)

#002D84

Tritanopia (blue-blind)

#003D51

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #281f86;
/* rgb */ color: rgb(40, 31, 134);
/* oklch */ color: oklch(33.2% 0.162 276.8);

Tailwind

colors: {
  custom: {
    50: '#715daa',
    500: '#281f86',
    950: '#000000',
  },
}

SCSS

$custom: #281f86;
$custom-light: #715daa;
$custom-dark: #000000;

JSON

{
  "hex": "#281f86",
  "rgb": {
    "r": 40,
    "g": 31,
    "b": 134
  },
  "hsl": {
    "h": 245.243,
    "s": 62.424,
    "l": 32.353
  },
  "oklch": {
    "l": 0.3321,
    "c": 0.16207,
    "h": 276.8
  },
  "luminance": 0.03152
}

Semantic roles & 50–950 ramp

primary

#281F86

secondary

#AEB849

accent

#E542D7

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#090410

muted

#7B797F

Preview Lab

Preview with #281F86

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

Preview Lab → · Contrast checker → · Palette generator →