#28177B#28177B

#28177B is a dark, vivid violet. Relative luminance 0.025; OKLCH L 30.9% C 0.156 H 279.9°. Best body text is #FFFFFF at 14.01:1 contrast (WCAG AA passes).

Color values

HEX	#28177B
RGB	rgb(40, 23, 123)
HSL	hsl(250, 68%, 29%)
HSV	hsv(250, 81%, 48%)
CMYK	cmyk(67.5%, 81.3%, 0%, 51.8%)
CIE-LAB	lab(17.89, 38.17, -53.26)
CIE-LCH	lch(17.89, 65.53, 305.62°)
OKLab	oklab(30.92% 0.0267 -0.1538)
OKLCH	oklch(30.92% 0.156 279.9)
XYZ	xyz(4.7555, 2.4936, 18.9658)
Luminance	0.0249 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28177B #6A7B17

analogous

#17387B #28177B #5A177B

triadic

#28177B #7B2817 #177B28

tetradic

#28177B #7B1738 #6A7B17 #177B5A

square

#28177B #7B1738 #6A7B17 #177B5A

split-complementary

#28177B #7B5A17 #387B17

monochromatic

#08051A #170D47 #28177B #3921AF #5033D9

Accessibility & contrast

On white

14.01

#28177B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.50

#28177B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28177B

14.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28177B	#FFFFFF	#000000	##FFFFFF
##28177B	1.00	14.01	1.50	14.01
#FFFFFF	14.01	1.00	21.00	1.00
#000000	1.50	21.00	1.00	21.00
##FFFFFF	14.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F7E

Deuteranopia (green-blind)

#002879

Tritanopia (blue-blind)

#003549

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #28177b;
/* rgb */ color: rgb(40, 23, 123);
/* oklch */ color: oklch(30.9% 0.156 279.9);

Tailwind

colors: {
  custom: {
    50: '#6f57a2',
    500: '#28177b',
    950: '#000000',
  },
}

SCSS

$custom: #28177b;
$custom-light: #6f57a2;
$custom-dark: #000000;

JSON

{
  "hex": "#28177b",
  "rgb": {
    "r": 40,
    "g": 23,
    "b": 123
  },
  "hsl": {
    "h": 250.2,
    "s": 68.493,
    "l": 28.627
  },
  "oklch": {
    "l": 0.30916,
    "c": 0.15609,
    "h": 279.9
  },
  "luminance": 0.02494
}

Semantic roles & 50–950 ramp

primary

#28177B

secondary

#9DB03E

accent

#EB3CCE

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#08030F

muted

#7B787F

Preview Lab

Preview with #28177B

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

Preview Lab → · Contrast checker → · Palette generator →