#281A51#281A51

#281A51 is a dark, moderate violet. Relative luminance 0.018; OKLCH L 27.1% C 0.096 H 290.2°. Best body text is #FFFFFF at 15.48:1 contrast (WCAG AA passes).

Color values

HEX	#281A51
RGB	rgb(40, 26, 81)
HSL	hsl(255, 51%, 21%)
HSV	hsv(255, 68%, 32%)
CMYK	cmyk(50.6%, 67.9%, 0%, 68.2%)
CIE-LAB	lab(14.31, 22.47, -31.45)
CIE-LCH	lch(14.31, 38.65, 305.54°)
OKLab	oklab(27.08% 0.0332 -0.0899)
OKLCH	oklch(27.08% 0.096 290.2)
XYZ	xyz(2.7293, 1.7839, 7.9835)
Luminance	0.0178 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#281A51 #43511A

analogous

#1A2751 #281A51 #431A51

triadic

#281A51 #51281A #1A5128

tetradic

#281A51 #511A27 #43511A #1A5143

square

#281A51 #511A27 #43511A #1A5143

split-complementary

#281A51 #51431A #27511A

monochromatic

#0B0717 #110B23 #281A51 #3F297F #5638AE

Accessibility & contrast

On white

15.48

#281A51 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.36

#281A51 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #281A51

15.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##281A51	#FFFFFF	#000000	##FFFFFF
##281A51	1.00	15.48	1.36	15.48
#FFFFFF	15.48	1.00	21.00	1.00
#000000	1.36	21.00	1.00	21.00
##FFFFFF	15.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002553

Deuteranopia (green-blind)

#002350

Tritanopia (blue-blind)

#1B2732

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #281a51;
/* rgb */ color: rgb(40, 26, 81);
/* oklch */ color: oklch(27.1% 0.096 290.2);

Tailwind

colors: {
  custom: {
    50: '#665782',
    500: '#281a51',
    950: '#000000',
  },
}

SCSS

$custom: #281a51;
$custom-light: #665782;
$custom-dark: #000000;

JSON

{
  "hex": "#281a51",
  "rgb": {
    "r": 40,
    "g": 26,
    "b": 81
  },
  "hsl": {
    "h": 255.273,
    "s": 51.402,
    "l": 20.98
  },
  "oklch": {
    "l": 0.27084,
    "c": 0.09583,
    "h": 290.2
  },
  "luminance": 0.01784
}

Semantic roles & 50–950 ramp

primary

#281A51

secondary

#758740

accent

#DB4DB7

background

#F6F5F8

surface

#EBE9EF

border

#C6C5CA

text

#06030A

muted

#7A787C

Preview Lab

Preview with #281A51

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

Preview Lab → · Contrast checker → · Palette generator →