#28104A#28104A

#28104A is a very dark, moderate violet. Relative luminance 0.013; OKLCH L 24.8% C 0.101 H 297.4°. Best body text is #FFFFFF at 16.62:1 contrast (WCAG AA passes).

Color values

HEX	#28104A
RGB	rgb(40, 16, 74)
HSL	hsl(265, 64%, 18%)
HSV	hsv(265, 78%, 29%)
CMYK	cmyk(45.9%, 78.4%, 0%, 71%)
CIE-LAB	lab(11.39, 26.49, -31.39)
CIE-LCH	lch(11.39, 41.07, 310.17°)
OKLab	oklab(24.79% 0.0464 -0.0897)
OKLCH	oklch(24.79% 0.101 297.4)
XYZ	xyz(2.2961, 1.3161, 6.6103)
Luminance	0.0132 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28104A #324A10

analogous

#10154A #28104A #45104A

triadic

#28104A #4A2810 #104A28

tetradic

#28104A #4A1015 #324A10 #104A45

square

#28104A #4A1015 #324A10 #104A45

split-complementary

#28104A #4A4510 #154A10

monochromatic

#0E0519 #0E0519 #28104A #431B7C #5E26AF

Accessibility & contrast

On white

16.62

#28104A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.26

#28104A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28104A

16.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28104A	#FFFFFF	#000000	##FFFFFF
##28104A	1.00	16.62	1.26	16.62
#FFFFFF	16.62	1.00	21.00	1.00
#000000	1.26	21.00	1.00	21.00
##FFFFFF	16.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001E4C

Deuteranopia (green-blind)

#001E49

Tritanopia (blue-blind)

#1F1E2B

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #28104a;
/* rgb */ color: rgb(40, 16, 74);
/* oklch */ color: oklch(24.8% 0.101 297.4);

Tailwind

colors: {
  custom: {
    50: '#66507d',
    500: '#28104a',
    950: '#000000',
  },
}

SCSS

$custom: #28104a;
$custom-light: #66507d;
$custom-dark: #000000;

JSON

{
  "hex": "#28104a",
  "rgb": {
    "r": 40,
    "g": 16,
    "b": 74
  },
  "hsl": {
    "h": 264.828,
    "s": 64.444,
    "l": 17.647
  },
  "oklch": {
    "l": 0.24785,
    "c": 0.10099,
    "h": 297.4
  },
  "luminance": 0.01316
}

Semantic roles & 50–950 ramp

primary

#28104A

secondary

#628432

accent

#E740A2

background

#F6F4F7

surface

#EBE7EE

border

#C6C3C9

text

#06020A

muted

#7A787C

Preview Lab

Preview with #28104A

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

Preview Lab → · Contrast checker → · Palette generator →