#281782#281782

#281782 is a dark, vivid blue. Relative luminance 0.027; OKLCH L 31.7% C 0.165 H 278.6°. Best body text is #FFFFFF at 13.68:1 contrast (WCAG AA passes).

Color values

HEX	#281782
RGB	rgb(40, 23, 130)
HSL	hsl(250, 70%, 30%)
HSV	hsv(250, 82%, 51%)
CMYK	cmyk(69.2%, 82.3%, 0%, 49%)
CIE-LAB	lab(18.69, 40.39, -56.39)
CIE-LCH	lch(18.69, 69.36, 305.61°)
OKLab	oklab(31.71% 0.0246 -0.1629)
OKLCH	oklch(31.71% 0.165 278.6)
XYZ	xyz(5.2094, 2.6752, 21.3566)
Luminance	0.0268 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#281782 #718217

analogous

#173B82 #281782 #5E1782

triadic

#281782 #822817 #178228

tetradic

#281782 #82173B #718217 #17825E

square

#281782 #82173B #718217 #17825E

split-complementary

#281782 #825E17 #3B8217

monochromatic

#08051A #180E4E #281782 #3820B6 #5238DC

Accessibility & contrast

On white

13.68

#281782 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#281782 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #281782

13.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##281782	#FFFFFF	#000000	##FFFFFF
##281782	1.00	13.68	1.54	13.68
#FFFFFF	13.68	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003285

Deuteranopia (green-blind)

#002980

Tritanopia (blue-blind)

#00384D

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #281782;
/* rgb */ color: rgb(40, 23, 130);
/* oklch */ color: oklch(31.7% 0.165 278.6);

Tailwind

colors: {
  custom: {
    50: '#7058a7',
    500: '#281782',
    950: '#000000',
  },
}

SCSS

$custom: #281782;
$custom-light: #7058a7;
$custom-dark: #000000;

JSON

{
  "hex": "#281782",
  "rgb": {
    "r": 40,
    "g": 23,
    "b": 130
  },
  "hsl": {
    "h": 249.533,
    "s": 69.935,
    "l": 30
  },
  "oklch": {
    "l": 0.31712,
    "c": 0.16472,
    "h": 278.6
  },
  "luminance": 0.02676
}

Semantic roles & 50–950 ramp

primary

#281782

secondary

#A3B63E

accent

#ED3BD1

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#090310

muted

#7B787F

Preview Lab

Preview with #281782

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

Preview Lab → · Contrast checker → · Palette generator →