#28123A#28123A

#28123A is a very dark, moderate violet. Relative luminance 0.012; OKLCH L 23.7% C 0.076 H 306.9°. Best body text is #FFFFFF at 16.97:1 contrast (WCAG AA passes).

Color values

HEX	#28123A
RGB	rgb(40, 18, 58)
HSL	hsl(273, 53%, 15%)
HSV	hsv(273, 69%, 23%)
CMYK	cmyk(31%, 69%, 0%, 77.3%)
CIE-LAB	lab(10.48, 20.49, -21.57)
CIE-LCH	lch(10.48, 29.75, 313.53°)
OKLab	oklab(23.7% 0.0457 -0.0609)
OKLCH	oklch(23.7% 0.076 306.9)
XYZ	xyz(1.8549, 1.1892, 4.1340)
Luminance	0.0119 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28123A #243A12

analogous

#14123A #28123A #3A1238

triadic

#28123A #3A2812 #123A28

tetradic

#28123A #3A1412 #243A12 #12383A

square

#28123A #3A1412 #243A12 #12383A

split-complementary

#28123A #383A12 #123A14

monochromatic

#100717 #100717 #28123A #482069 #682F97

Accessibility & contrast

On white

16.97

#28123A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.24

#28123A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28123A

16.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28123A	#FFFFFF	#000000	##FFFFFF
##28123A	1.00	16.97	1.24	16.97
#FFFFFF	16.97	1.00	21.00	1.00
#000000	1.24	21.00	1.00	21.00
##FFFFFF	16.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#031C3B

Deuteranopia (green-blind)

#0B1D39

Tritanopia (blue-blind)

#251A23

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #28123a;
/* rgb */ color: rgb(40, 18, 58);
/* oklch */ color: oklch(23.7% 0.076 306.9);

Tailwind

colors: {
  custom: {
    50: '#645170',
    500: '#28123a',
    950: '#000000',
  },
}

SCSS

$custom: #28123a;
$custom-light: #645170;
$custom-dark: #000000;

JSON

{
  "hex": "#28123a",
  "rgb": {
    "r": 40,
    "g": 18,
    "b": 58
  },
  "hsl": {
    "h": 273,
    "s": 52.632,
    "l": 14.902
  },
  "oklch": {
    "l": 0.23701,
    "c": 0.07608,
    "h": 306.9
  },
  "luminance": 0.01189
}

Semantic roles & 50–950 ramp

primary

#28123A

secondary

#517335

accent

#DC4C8D

background

#F6F4F6

surface

#EBE7EC

border

#C6C3C7

text

#050207

muted

#7A787A

Preview Lab

Preview with #28123A

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

Preview Lab → · Contrast checker → · Palette generator →