#281A4A#281A4A

#281A4A is a dark, moderate violet. Relative luminance 0.017; OKLCH L 26.5% C 0.085 H 293.1°. Best body text is #FFFFFF at 15.71:1 contrast (WCAG AA passes).

Color values

HEX	#281A4A
RGB	rgb(40, 26, 74)
HSL	hsl(258, 48%, 20%)
HSV	hsv(258, 65%, 29%)
CMYK	cmyk(45.9%, 64.9%, 0%, 71%)
CIE-LAB	lab(13.73, 20.14, -27.58)
CIE-LCH	lch(13.73, 34.15, 306.13°)
OKLab	oklab(26.48% 0.0335 -0.0785)
OKLCH	oklch(26.48% 0.085 293.1)
XYZ	xyz(2.4802, 1.6843, 6.6717)
Luminance	0.0168 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#281A4A #3C4A1A

analogous

#1A244A #281A4A #401A4A

triadic

#281A4A #4A281A #1A4A28

tetradic

#281A4A #4A1A24 #3C4A1A #1A4A40

square

#281A4A #4A1A24 #3C4A1A #1A4A40

split-complementary

#281A4A #4A401A #244A1A

monochromatic

#0C0817 #100A1D #281A4A #402A77 #593AA5

Accessibility & contrast

On white

15.71

#281A4A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.34

#281A4A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #281A4A

15.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##281A4A	#FFFFFF	#000000	##FFFFFF
##281A4A	1.00	15.71	1.34	15.71
#FFFFFF	15.71	1.00	21.00	1.00
#000000	1.34	21.00	1.00	21.00
##FFFFFF	15.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00244C

Deuteranopia (green-blind)

#042249

Tritanopia (blue-blind)

#1F242F

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #281a4a;
/* rgb */ color: rgb(40, 26, 74);
/* oklch */ color: oklch(26.5% 0.085 293.1);

Tailwind

colors: {
  custom: {
    50: '#65577d',
    500: '#281a4a',
    950: '#000000',
  },
}

SCSS

$custom: #281a4a;
$custom-light: #65577d;
$custom-dark: #000000;

JSON

{
  "hex": "#281a4a",
  "rgb": {
    "r": 40,
    "g": 26,
    "b": 74
  },
  "hsl": {
    "h": 257.5,
    "s": 48,
    "l": 19.608
  },
  "oklch": {
    "l": 0.26481,
    "c": 0.08538,
    "h": 293.1
  },
  "luminance": 0.01684
}

Semantic roles & 50–950 ramp

primary

#281A4A

secondary

#6D8040

accent

#D850B0

background

#F6F5F7

surface

#EBE9EE

border

#C6C5C9

text

#060309

muted

#7A787B

Preview Lab

Preview with #281A4A

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

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