#281593#281593

#281593 is a dark, vivid blue. Relative luminance 0.031; OKLCH L 33.5% C 0.187 H 276.2°. Best body text is #FFFFFF at 12.97:1 contrast (WCAG AA passes).

Color values

HEX	#281593
RGB	rgb(40, 21, 147)
HSL	hsl(249, 75%, 33%)
HSV	hsv(249, 86%, 58%)
CMYK	cmyk(72.8%, 85.7%, 0%, 42.4%)
CIE-LAB	lab(20.41, 46.54, -64.18)
CIE-LCH	lch(20.41, 79.28, 305.95°)
OKLab	oklab(33.49% 0.0201 -0.1855)
OKLCH	oklch(33.49% 0.187 276.2)
XYZ	xyz(6.4080, 3.0934, 27.8575)
Luminance	0.0309 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#281593 #809315

analogous

#154193 #281593 #671593

triadic

#281593 #932815 #159328

tetradic

#281593 #931541 #809315 #159367

square

#281593 #931541 #809315 #159367

split-complementary

#281593 #936715 #419315

monochromatic

#0B0628 #190D5D #281593 #371DC9 #583FE4

Accessibility & contrast

On white

12.97

#281593 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.62

#281593 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #281593

12.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##281593	#FFFFFF	#000000	##FFFFFF
##281593	1.00	12.97	1.62	12.97
#FFFFFF	12.97	1.00	21.00	1.00
#000000	1.62	21.00	1.00	21.00
##FFFFFF	12.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003696

Deuteranopia (green-blind)

#002C91

Tritanopia (blue-blind)

#003E56

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #281593;
/* rgb */ color: rgb(40, 21, 147);
/* oklch */ color: oklch(33.5% 0.187 276.2);

Tailwind

colors: {
  custom: {
    50: '#7558b4',
    500: '#281593',
    950: '#000000',
  },
}

SCSS

$custom: #281593;
$custom-light: #7558b4;
$custom-dark: #000000;

JSON

{
  "hex": "#281593",
  "rgb": {
    "r": 40,
    "g": 21,
    "b": 147
  },
  "hsl": {
    "h": 249.048,
    "s": 75,
    "l": 32.941
  },
  "oklch": {
    "l": 0.33492,
    "c": 0.18655,
    "h": 276.2
  },
  "luminance": 0.03094
}

Semantic roles & 50–950 ramp

primary

#281593

secondary

#B0C440

accent

#F236D5

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0411

muted

#7C7980

Preview Lab

Preview with #281593

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

Preview Lab → · Contrast checker → · Palette generator →