#28123B#28123B

#28123B is a very dark, moderate violet. Relative luminance 0.012; OKLCH L 23.8% C 0.077 H 306.1°. Best body text is #FFFFFF at 16.94:1 contrast (WCAG AA passes).

Color values

HEX#28123B
RGBrgb(40, 18, 59)
HSLhsl(272, 53%, 15%)
HSVhsv(272, 69%, 23%)
CMYKcmyk(32.2%, 69.5%, 0%, 76.9%)
CIE-LABlab(10.55, 20.78, -22.16)
CIE-LCHlch(10.55, 30.38, 313.15°)
OKLaboklab(23.78% 0.0456 -0.0626)
OKLCHoklch(23.78% 0.077 306.1)
XYZxyz(1.8806, 1.1995, 4.2693)
Luminance0.0120 (WCAG relative)
Temperaturecool
Familyviolet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#28123B #253B12
analogous
#13123B #28123B #3B123A
triadic
#28123B #3B2812 #123B28
tetradic
#28123B #3B1312 #253B12 #123A3B
square
#28123B #3B1312 #253B12 #123A3B
split-complementary
#28123B #3A3B12 #123B13
monochromatic
#100717 #100717 #28123B #48206A #682F99

Accessibility & contrast

On white

16.94
#28123B on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.24
#28123B on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28123B
16.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##28123B#FFFFFF#000000##FFFFFF
##28123B1.0016.941.2416.94
#FFFFFF16.941.0021.001.00
#0000001.2421.001.0021.00
##FFFFFF16.941.0021.001.00

Color blindness preview

Protanopia (red-blind)
#021C3C
Deuteranopia (green-blind)
#0A1D3A
Tritanopia (blue-blind)
#251A24
Achromatopsia (no color)
#1D1D1D

Design tokens & code

CSS
--color: #28123b;
/* rgb */ color: rgb(40, 18, 59);
/* oklch */ color: oklch(23.8% 0.077 306.1);
Tailwind
colors: {
  custom: {
    50: '#645171',
    500: '#28123b',
    950: '#000000',
  },
}
SCSS
$custom: #28123b;
$custom-light: #645171;
$custom-dark: #000000;
JSON
{
  "hex": "#28123b",
  "rgb": {
    "r": 40,
    "g": 18,
    "b": 59
  },
  "hsl": {
    "h": 272.195,
    "s": 53.247,
    "l": 15.098
  },
  "oklch": {
    "l": 0.23781,
    "c": 0.07747,
    "h": 306.1
  },
  "luminance": 0.01199
}

Semantic roles & 50–950 ramp

primary
#28123B
secondary
#527435
accent
#DD4B8F
background
#F6F4F6
surface
#EBE7EC
border
#C6C3C7
text
#050207
muted
#7A787A

Preview Lab

Preview with #28123B

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

Preview Lab → · Contrast checker → · Palette generator →

#28123B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva