#281D93#281D93

#281D93 is a dark, vivid blue. Relative luminance 0.034; OKLCH L 34.4% C 0.180 H 275.4°. Best body text is #FFFFFF at 12.45:1 contrast (WCAG AA passes).

Color values

HEX	#281D93
RGB	rgb(40, 29, 147)
HSL	hsl(246, 67%, 35%)
HSV	hsv(246, 80%, 58%)
CMYK	cmyk(72.8%, 80.3%, 0%, 42.4%)
CIE-LAB	lab(21.71, 42.75, -62.03)
CIE-LCH	lch(21.71, 75.34, 304.57°)
OKLab	oklab(34.39% 0.017 -0.1794)
OKLCH	oklch(34.39% 0.18 275.4)
XYZ	xyz(6.5792, 3.4358, 27.9146)
Luminance	0.0344 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#281D93 #88931D

analogous

#1D4D93 #281D93 #631D93

triadic

#281D93 #93281D #1D9328

tetradic

#281D93 #931D4D #88931D #1D9363

square

#281D93 #931D4D #88931D #1D9363

split-complementary

#281D93 #93631D #4D931D

monochromatic

#0C092D #1A1360 #281D93 #3627C6 #5B4EDC

Accessibility & contrast

On white

12.45

#281D93 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#281D93 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #281D93

12.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##281D93	#FFFFFF	#000000	##FFFFFF
##281D93	1.00	12.45	1.69	12.45
#FFFFFF	12.45	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003996

Deuteranopia (green-blind)

#002F91

Tritanopia (blue-blind)

#004158

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #281d93;
/* rgb */ color: rgb(40, 29, 147);
/* oklch */ color: oklch(34.4% 0.180 275.4);

Tailwind

colors: {
  custom: {
    50: '#745cb4',
    500: '#281d93',
    950: '#000000',
  },
}

SCSS

$custom: #281d93;
$custom-light: #745cb4;
$custom-dark: #000000;

JSON

{
  "hex": "#281d93",
  "rgb": {
    "r": 40,
    "g": 29,
    "b": 147
  },
  "hsl": {
    "h": 245.593,
    "s": 67.045,
    "l": 34.51
  },
  "oklch": {
    "l": 0.34389,
    "c": 0.18017,
    "h": 275.4
  },
  "luminance": 0.03436
}

Semantic roles & 50–950 ramp

primary

#281D93

secondary

#B4BF4D

accent

#EA3EDA

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0411

muted

#7C7980

Preview Lab

Preview with #281D93

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

Preview Lab → · Contrast checker → · Palette generator →