#281D94#281D94

#281D94 is a dark, vivid blue. Relative luminance 0.035; OKLCH L 34.5% C 0.181 H 275.3°. Best body text is #FFFFFF at 12.40:1 contrast (WCAG AA passes).

Color values

HEX	#281D94
RGB	rgb(40, 29, 148)
HSL	hsl(246, 67%, 35%)
HSV	hsv(246, 80%, 58%)
CMYK	cmyk(73%, 80.4%, 0%, 42%)
CIE-LAB	lab(21.83, 43.07, -62.46)
CIE-LCH	lch(21.83, 75.87, 304.59°)
OKLab	oklab(34.5% 0.0167 -0.1806)
OKLCH	oklch(34.5% 0.181 275.3)
XYZ	xyz(6.6580, 3.4673, 28.3296)
Luminance	0.0347 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#281D94 #89941D

analogous

#1D4E94 #281D94 #631D94

triadic

#281D94 #94281D #1D9428

tetradic

#281D94 #941D4E #89941D #1D9463

square

#281D94 #941D4E #89941D #1D9463

split-complementary

#281D94 #94631D #4E941D

monochromatic

#0C092E #1A1361 #281D94 #3627C7 #5C4FDC

Accessibility & contrast

On white

12.40

#281D94 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#281D94 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #281D94

12.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##281D94	#FFFFFF	#000000	##FFFFFF
##281D94	1.00	12.40	1.69	12.40
#FFFFFF	12.40	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003997

Deuteranopia (green-blind)

#002F92

Tritanopia (blue-blind)

#004158

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #281d94;
/* rgb */ color: rgb(40, 29, 148);
/* oklch */ color: oklch(34.5% 0.181 275.3);

Tailwind

colors: {
  custom: {
    50: '#745cb5',
    500: '#281d94',
    950: '#000000',
  },
}

SCSS

$custom: #281d94;
$custom-light: #745cb5;
$custom-dark: #000000;

JSON

{
  "hex": "#281d94",
  "rgb": {
    "r": 40,
    "g": 29,
    "b": 148
  },
  "hsl": {
    "h": 245.546,
    "s": 67.232,
    "l": 34.706
  },
  "oklch": {
    "l": 0.34503,
    "c": 0.18138,
    "h": 275.3
  },
  "luminance": 0.03468
}

Semantic roles & 50–950 ramp

primary

#281D94

secondary

#B5BF4E

accent

#EA3EDA

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0411

muted

#7C7980

Preview Lab

Preview with #281D94

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

Preview Lab → · Contrast checker → · Palette generator →