#28128F#28128F

#28128F is a dark, vivid violet. Relative luminance 0.029; OKLCH L 32.7% C 0.184 H 277.0°. Best body text is #FFFFFF at 13.35:1 contrast (WCAG AA passes).

Color values

HEX	#28128F
RGB	rgb(40, 18, 143)
HSL	hsl(251, 78%, 32%)
HSV	hsv(251, 87%, 56%)
CMYK	cmyk(72%, 87.4%, 0%, 43.9%)
CIE-LAB	lab(19.50, 46.59, -63.21)
CIE-LCH	lch(19.50, 78.53, 306.39°)
OKLab	oklab(32.72% 0.0224 -0.1826)
OKLCH	oklch(32.72% 0.184 277)
XYZ	xyz(6.0477, 2.8663, 26.2158)
Luminance	0.0287 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28128F #798F12

analogous

#123B8F #28128F #67128F

triadic

#28128F #8F2812 #128F28

tetradic

#28128F #8F123B #798F12 #128F67

square

#28128F #8F123B #798F12 #128F67

split-complementary

#28128F #8F6712 #3B8F12

monochromatic

#0A0422 #190B59 #28128F #3719C5 #5536E6

Accessibility & contrast

On white

13.35

#28128F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.57

#28128F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28128F

13.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28128F	#FFFFFF	#000000	##FFFFFF
##28128F	1.00	13.35	1.57	13.35
#FFFFFF	13.35	1.00	21.00	1.00
#000000	1.57	21.00	1.00	21.00
##FFFFFF	13.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003492

Deuteranopia (green-blind)

#002A8D

Tritanopia (blue-blind)

#003C54

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #28128f;
/* rgb */ color: rgb(40, 18, 143);
/* oklch */ color: oklch(32.7% 0.184 277.0);

Tailwind

colors: {
  custom: {
    50: '#7456b1',
    500: '#28128f',
    950: '#000000',
  },
}

SCSS

$custom: #28128f;
$custom-light: #7456b1;
$custom-dark: #000000;

JSON

{
  "hex": "#28128f",
  "rgb": {
    "r": 40,
    "g": 18,
    "b": 143
  },
  "hsl": {
    "h": 250.56,
    "s": 77.64,
    "l": 31.569
  },
  "oklch": {
    "l": 0.32724,
    "c": 0.18398,
    "h": 277
  },
  "luminance": 0.02867
}

Semantic roles & 50–950 ramp

primary

#28128F

secondary

#ABC33A

accent

#F434D2

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0311

muted

#7C7880

Preview Lab

Preview with #28128F

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

Preview Lab → · Contrast checker → · Palette generator →