#281A64#281A64

#281A64 is a dark, vivid violet. Relative luminance 0.021; OKLCH L 28.9% C 0.123 H 284.3°. Best body text is #FFFFFF at 14.77:1 contrast (WCAG AA passes).

Color values

HEX	#281A64
RGB	rgb(40, 26, 100)
HSL	hsl(251, 59%, 25%)
HSV	hsv(251, 74%, 39%)
CMYK	cmyk(60%, 74%, 0%, 60.8%)
CIE-LAB	lab(16.05, 28.88, -41.35)
CIE-LCH	lch(16.05, 50.44, 304.93°)
OKLab	oklab(28.88% 0.0304 -0.119)
OKLCH	oklch(28.88% 0.123 284.3)
XYZ	xyz(3.5440, 2.1098, 12.2746)
Luminance	0.0211 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#281A64 #56641A

analogous

#1A3164 #281A64 #4D1A64

triadic

#281A64 #64281A #1A6428

tetradic

#281A64 #641A31 #56641A #1A644D

square

#281A64 #641A31 #56641A #1A644D

split-complementary

#281A64 #644D1A #31641A

monochromatic

#0A0618 #150D33 #281A64 #3B2795 #4F33C5

Accessibility & contrast

On white

14.77

#281A64 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.42

#281A64 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #281A64

14.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##281A64	#FFFFFF	#000000	##FFFFFF
##281A64	1.00	14.77	1.42	14.77
#FFFFFF	14.77	1.00	21.00	1.00
#000000	1.42	21.00	1.00	21.00
##FFFFFF	14.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002A66

Deuteranopia (green-blind)

#002563

Tritanopia (blue-blind)

#0A2D3D

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #281a64;
/* rgb */ color: rgb(40, 26, 100);
/* oklch */ color: oklch(28.9% 0.123 284.3);

Tailwind

colors: {
  custom: {
    50: '#6a5891',
    500: '#281a64',
    950: '#000000',
  },
}

SCSS

$custom: #281a64;
$custom-light: #6a5891;
$custom-dark: #000000;

JSON

{
  "hex": "#281a64",
  "rgb": {
    "r": 40,
    "g": 26,
    "b": 100
  },
  "hsl": {
    "h": 251.351,
    "s": 58.73,
    "l": 24.706
  },
  "oklch": {
    "l": 0.28884,
    "c": 0.12281,
    "h": 284.3
  },
  "luminance": 0.0211
}

Semantic roles & 50–950 ramp

primary

#281A64

secondary

#899A40

accent

#E246C4

background

#F6F5F9

surface

#EBE9F1

border

#C6C5CB

text

#07030D

muted

#7A787E

Preview Lab

Preview with #281A64

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

Preview Lab → · Contrast checker → · Palette generator →