#281C82#281C82

#281C82 is a dark, vivid blue. Relative luminance 0.029; OKLCH L 32.4% C 0.160 H 277.9°. Best body text is #FFFFFF at 13.30:1 contrast (WCAG AA passes).

Color values

HEX	#281C82
RGB	rgb(40, 28, 130)
HSL	hsl(247, 65%, 31%)
HSV	hsv(247, 78%, 51%)
CMYK	cmyk(69.2%, 78.5%, 0%, 49%)
CIE-LAB	lab(19.61, 37.75, -54.87)
CIE-LCH	lch(19.61, 66.61, 304.53°)
OKLab	oklab(32.35% 0.0219 -0.1585)
OKLCH	oklch(32.35% 0.16 277.9)
XYZ	xyz(5.3183, 2.8929, 21.3929)
Luminance	0.0289 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#281C82 #76821C

analogous

#1C4382 #281C82 #5B1C82

triadic

#281C82 #82281C #1C8228

tetradic

#281C82 #821C43 #76821C #1C825B

square

#281C82 #821C43 #76821C #1C825B

split-complementary

#281C82 #825B1C #43821C

monochromatic

#09061D #191150 #281C82 #3727B4 #5442D6

Accessibility & contrast

On white

13.30

#281C82 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.58

#281C82 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #281C82

13.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##281C82	#FFFFFF	#000000	##FFFFFF
##281C82	1.00	13.30	1.58	13.30
#FFFFFF	13.30	1.00	21.00	1.00
#000000	1.58	21.00	1.00	21.00
##FFFFFF	13.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003385

Deuteranopia (green-blind)

#002B80

Tritanopia (blue-blind)

#003A4E

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #281c82;
/* rgb */ color: rgb(40, 28, 130);
/* oklch */ color: oklch(32.4% 0.160 277.9);

Tailwind

colors: {
  custom: {
    50: '#705ba7',
    500: '#281c82',
    950: '#000000',
  },
}

SCSS

$custom: #281c82;
$custom-light: #705ba7;
$custom-dark: #000000;

JSON

{
  "hex": "#281c82",
  "rgb": {
    "r": 40,
    "g": 28,
    "b": 130
  },
  "hsl": {
    "h": 247.059,
    "s": 64.557,
    "l": 30.98
  },
  "oklch": {
    "l": 0.32352,
    "c": 0.16002,
    "h": 277.9
  },
  "luminance": 0.02893
}

Semantic roles & 50–950 ramp

primary

#281C82

secondary

#A8B544

accent

#E840D4

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#090410

muted

#7B797F

Preview Lab

Preview with #281C82

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

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