#28147B#28147B

#28147B is a dark, vivid violet. Relative luminance 0.024; OKLCH L 30.6% C 0.159 H 280.3°. Best body text is #FFFFFF at 14.23:1 contrast (WCAG AA passes).

Color values

HEX	#28147B
RGB	rgb(40, 20, 123)
HSL	hsl(252, 72%, 28%)
HSV	hsv(252, 84%, 48%)
CMYK	cmyk(67.5%, 83.7%, 0%, 51.8%)
CIE-LAB	lab(17.37, 39.67, -54.12)
CIE-LCH	lch(17.37, 67.10, 306.24°)
OKLab	oklab(30.56% 0.0284 -0.1562)
OKLCH	oklch(30.56% 0.159 280.3)
XYZ	xyz(4.6992, 2.3811, 18.9470)
Luminance	0.0238 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28147B #677B14

analogous

#14347B #28147B #5B147B

triadic

#28147B #7B2814 #147B28

tetradic

#28147B #7B1434 #677B14 #147B5B

square

#28147B #7B1434 #677B14 #147B5B

split-complementary

#28147B #7B5B14 #347B14

monochromatic

#09041A #170B46 #28147B #391DB0 #4F2DDD

Accessibility & contrast

On white

14.23

#28147B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.48

#28147B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28147B

14.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28147B	#FFFFFF	#000000	##FFFFFF
##28147B	1.00	14.23	1.48	14.23
#FFFFFF	14.23	1.00	21.00	1.00
#000000	1.48	21.00	1.00	21.00
##FFFFFF	14.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E7E

Deuteranopia (green-blind)

#002779

Tritanopia (blue-blind)

#003448

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #28147b;
/* rgb */ color: rgb(40, 20, 123);
/* oklch */ color: oklch(30.6% 0.159 280.3);

Tailwind

colors: {
  custom: {
    50: '#6f56a2',
    500: '#28147b',
    950: '#000000',
  },
}

SCSS

$custom: #28147b;
$custom-light: #6f56a2;
$custom-dark: #000000;

JSON

{
  "hex": "#28147b",
  "rgb": {
    "r": 40,
    "g": 20,
    "b": 123
  },
  "hsl": {
    "h": 251.65,
    "s": 72.028,
    "l": 28.039
  },
  "oklch": {
    "l": 0.30556,
    "c": 0.15878,
    "h": 280.3
  },
  "luminance": 0.02381
}

Semantic roles & 50–950 ramp

primary

#28147B

secondary

#9AB13A

accent

#EF39CB

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#08030F

muted

#7B787F

Preview Lab

Preview with #28147B

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

Preview Lab → · Contrast checker → · Palette generator →