#281A93#281A93

#281A93 is a dark, vivid blue. Relative luminance 0.033; OKLCH L 34.0% C 0.183 H 275.7°. Best body text is #FFFFFF at 12.66:1 contrast (WCAG AA passes).

Color values

HEX	#281A93
RGB	rgb(40, 26, 147)
HSL	hsl(247, 70%, 34%)
HSV	hsv(247, 82%, 58%)
CMYK	cmyk(72.8%, 82.3%, 0%, 42.4%)
CIE-LAB	lab(21.19, 44.26, -62.89)
CIE-LCH	lch(21.19, 76.90, 305.13°)
OKLab	oklab(34.03% 0.0183 -0.1818)
OKLCH	oklch(34.03% 0.183 275.7)
XYZ	xyz(6.5092, 3.2959, 27.8912)
Luminance	0.0330 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#281A93 #85931A

analogous

#1A4993 #281A93 #651A93

triadic

#281A93 #93281A #1A9328

tetradic

#281A93 #931A49 #85931A #1A9365

square

#281A93 #931A49 #85931A #1A9365

split-complementary

#281A93 #93651A #49931A

monochromatic

#0C082B #1A115F #281A93 #3623C7 #5A49DF

Accessibility & contrast

On white

12.66

#281A93 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.66

#281A93 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #281A93

12.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##281A93	#FFFFFF	#000000	##FFFFFF
##281A93	1.00	12.66	1.66	12.66
#FFFFFF	12.66	1.00	21.00	1.00
#000000	1.66	21.00	1.00	21.00
##FFFFFF	12.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003896

Deuteranopia (green-blind)

#002D91

Tritanopia (blue-blind)

#004057

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #281a93;
/* rgb */ color: rgb(40, 26, 147);
/* oklch */ color: oklch(34.0% 0.183 275.7);

Tailwind

colors: {
  custom: {
    50: '#745bb4',
    500: '#281a93',
    950: '#000000',
  },
}

SCSS

$custom: #281a93;
$custom-light: #745bb4;
$custom-dark: #000000;

JSON

{
  "hex": "#281a93",
  "rgb": {
    "r": 40,
    "g": 26,
    "b": 147
  },
  "hsl": {
    "h": 246.942,
    "s": 69.942,
    "l": 33.922
  },
  "oklch": {
    "l": 0.34028,
    "c": 0.18273,
    "h": 275.7
  },
  "luminance": 0.03296
}

Semantic roles & 50–950 ramp

primary

#281A93

secondary

#B3C048

accent

#ED3BD8

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0411

muted

#7C7980

Preview Lab

Preview with #281A93

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

Preview Lab → · Contrast checker → · Palette generator →