#28128A#28128A

#28128A is a dark, vivid violet. Relative luminance 0.027; OKLCH L 32.1% C 0.178 H 277.8°. Best body text is #FFFFFF at 13.60:1 contrast (WCAG AA passes).

Color values

HEX	#28128A
RGB	rgb(40, 18, 138)
HSL	hsl(251, 77%, 31%)
HSV	hsv(251, 87%, 54%)
CMYK	cmyk(71%, 87%, 0%, 45.9%)
CIE-LAB	lab(18.88, 45.11, -61.12)
CIE-LCH	lch(18.88, 75.97, 306.43°)
OKLab	oklab(32.12% 0.0241 -0.1765)
OKLCH	oklch(32.12% 0.178 277.8)
XYZ	xyz(5.6773, 2.7182, 24.2653)
Luminance	0.0272 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28128A #748A12

analogous

#12388A #28128A #64128A

triadic

#28128A #8A2812 #128A28

tetradic

#28128A #8A1238 #748A12 #128A64

square

#28128A #8A1238 #748A12 #128A64

split-complementary

#28128A #8A6412 #388A12

monochromatic

#09041E #180B54 #28128A #3819C0 #5332E4

Accessibility & contrast

On white

13.60

#28128A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#28128A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28128A

13.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28128A	#FFFFFF	#000000	##FFFFFF
##28128A	1.00	13.60	1.54	13.60
#FFFFFF	13.60	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00328D

Deuteranopia (green-blind)

#002988

Tritanopia (blue-blind)

#003951

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #28128a;
/* rgb */ color: rgb(40, 18, 138);
/* oklch */ color: oklch(32.1% 0.178 277.8);

Tailwind

colors: {
  custom: {
    50: '#7356ad',
    500: '#28128a',
    950: '#000000',
  },
}

SCSS

$custom: #28128a;
$custom-light: #7356ad;
$custom-dark: #000000;

JSON

{
  "hex": "#28128a",
  "rgb": {
    "r": 40,
    "g": 18,
    "b": 138
  },
  "hsl": {
    "h": 251,
    "s": 76.923,
    "l": 30.588
  },
  "oklch": {
    "l": 0.32119,
    "c": 0.17818,
    "h": 277.8
  },
  "luminance": 0.02719
}

Semantic roles & 50–950 ramp

primary

#28128A

secondary

#A6BF39

accent

#F334D0

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#090310

muted

#7B787F

Preview Lab

Preview with #28128A

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

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