#281F85#281F85

#281F85 is a dark, vivid blue. Relative luminance 0.031; OKLCH L 33.1% C 0.161 H 276.9°. Best body text is #FFFFFF at 12.92:1 contrast (WCAG AA passes).

Color values

HEX	#281F85
RGB	rgb(40, 31, 133)
HSL	hsl(245, 62%, 32%)
HSV	hsv(245, 77%, 52%)
CMYK	cmyk(69.9%, 76.7%, 0%, 47.8%)
CIE-LAB	lab(20.53, 37.06, -55.24)
CIE-LCH	lch(20.53, 66.52, 303.85°)
OKLab	oklab(33.1% 0.0194 -0.1596)
OKLCH	oklch(33.1% 0.161 276.9)
XYZ	xyz(5.5973, 3.1240, 22.4938)
Luminance	0.0313 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#281F85 #7C851F

analogous

#1F4985 #281F85 #5B1F85

triadic

#281F85 #85281F #1F8528

tetradic

#281F85 #851F49 #7C851F #1F855B

square

#281F85 #851F49 #7C851F #1F855B

split-complementary

#281F85 #855B1F #49851F

monochromatic

#0A0822 #191353 #281F85 #372BB7 #564AD5

Accessibility & contrast

On white

12.92

#281F85 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#281F85 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #281F85

12.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##281F85	#FFFFFF	#000000	##FFFFFF
##281F85	1.00	12.92	1.63	12.92
#FFFFFF	12.92	1.00	21.00	1.00
#000000	1.63	21.00	1.00	21.00
##FFFFFF	12.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003688

Deuteranopia (green-blind)

#002D83

Tritanopia (blue-blind)

#003C50

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #281f85;
/* rgb */ color: rgb(40, 31, 133);
/* oklch */ color: oklch(33.1% 0.161 276.9);

Tailwind

colors: {
  custom: {
    50: '#705caa',
    500: '#281f85',
    950: '#000000',
  },
}

SCSS

$custom: #281f85;
$custom-light: #705caa;
$custom-dark: #000000;

JSON

{
  "hex": "#281f85",
  "rgb": {
    "r": 40,
    "g": 31,
    "b": 133
  },
  "hsl": {
    "h": 245.294,
    "s": 62.195,
    "l": 32.157
  },
  "oklch": {
    "l": 0.33101,
    "c": 0.16079,
    "h": 276.9
  },
  "luminance": 0.03125
}

Semantic roles & 50–950 ramp

primary

#281F85

secondary

#ADB749

accent

#E543D7

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#090410

muted

#7B797F

Preview Lab

Preview with #281F85

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

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