#281B94#281B94

#281B94 is a dark, vivid blue. Relative luminance 0.034; OKLCH L 34.3% C 0.183 H 275.5°. Best body text is #FFFFFF at 12.54:1 contrast (WCAG AA passes).

Color values

HEX	#281B94
RGB	rgb(40, 27, 148)
HSL	hsl(246, 69%, 34%)
HSV	hsv(246, 82%, 58%)
CMYK	cmyk(73%, 81.8%, 0%, 42%)
CIE-LAB	lab(21.48, 44.08, -63.04)
CIE-LCH	lch(21.48, 76.92, 304.96°)
OKLab	oklab(34.26% 0.0176 -0.1823)
OKLCH	oklch(34.26% 0.183 275.5)
XYZ	xyz(6.6105, 3.3725, 28.3138)
Luminance	0.0337 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#281B94 #87941B

analogous

#1B4B94 #281B94 #651B94

triadic

#281B94 #94281B #1B9428

tetradic

#281B94 #941B4B #87941B #1B9465

square

#281B94 #941B4B #87941B #1B9465

split-complementary

#281B94 #94651B #4B941B

monochromatic

#0C082C #1A1260 #281B94 #3624C8 #5B4BDE

Accessibility & contrast

On white

12.54

#281B94 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#281B94 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #281B94

12.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##281B94	#FFFFFF	#000000	##FFFFFF
##281B94	1.00	12.54	1.67	12.54
#FFFFFF	12.54	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003997

Deuteranopia (green-blind)

#002E92

Tritanopia (blue-blind)

#004158

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #281b94;
/* rgb */ color: rgb(40, 27, 148);
/* oklch */ color: oklch(34.3% 0.183 275.5);

Tailwind

colors: {
  custom: {
    50: '#745bb5',
    500: '#281b94',
    950: '#000000',
  },
}

SCSS

$custom: #281b94;
$custom-light: #745bb5;
$custom-dark: #000000;

JSON

{
  "hex": "#281b94",
  "rgb": {
    "r": 40,
    "g": 27,
    "b": 148
  },
  "hsl": {
    "h": 246.446,
    "s": 69.143,
    "l": 34.314
  },
  "oklch": {
    "l": 0.34261,
    "c": 0.1831,
    "h": 275.5
  },
  "luminance": 0.03373
}

Semantic roles & 50–950 ramp

primary

#281B94

secondary

#B4C04B

accent

#EC3CD9

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0411

muted

#7C7980

Preview Lab

Preview with #281B94

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

Preview Lab → · Contrast checker → · Palette generator →