#28177A#28177A

#28177A is a dark, vivid violet. Relative luminance 0.025; OKLCH L 30.8% C 0.155 H 280.0°. Best body text is #FFFFFF at 14.06:1 contrast (WCAG AA passes).

Color values

HEX	#28177A
RGB	rgb(40, 23, 122)
HSL	hsl(250, 68%, 28%)
HSV	hsv(250, 81%, 48%)
CMYK	cmyk(67.2%, 81.1%, 0%, 52.2%)
CIE-LAB	lab(17.78, 37.85, -52.81)
CIE-LCH	lch(17.78, 64.97, 305.63°)
OKLab	oklab(30.8% 0.027 -0.1525)
OKLCH	oklch(30.8% 0.155 280)
XYZ	xyz(4.6932, 2.4687, 18.6378)
Luminance	0.0247 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28177A #697A17

analogous

#17377A #28177A #59177A

triadic

#28177A #7A2817 #177A28

tetradic

#28177A #7A1737 #697A17 #177A59

square

#28177A #7A1737 #697A17 #177A59

split-complementary

#28177A #7A5917 #377A17

monochromatic

#08051A #170D47 #28177A #3921AD #4F33D9

Accessibility & contrast

On white

14.06

#28177A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.49

#28177A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28177A

14.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28177A	#FFFFFF	#000000	##FFFFFF
##28177A	1.00	14.06	1.49	14.06
#FFFFFF	14.06	1.00	21.00	1.00
#000000	1.49	21.00	1.00	21.00
##FFFFFF	14.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F7D

Deuteranopia (green-blind)

#002878

Tritanopia (blue-blind)

#003548

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #28177a;
/* rgb */ color: rgb(40, 23, 122);
/* oklch */ color: oklch(30.8% 0.155 280.0);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#28177a",
  "rgb": {
    "r": 40,
    "g": 23,
    "b": 122
  },
  "hsl": {
    "h": 250.303,
    "s": 68.276,
    "l": 28.431
  },
  "oklch": {
    "l": 0.30803,
    "c": 0.15484,
    "h": 280
  },
  "luminance": 0.02469
}

Semantic roles & 50–950 ramp

primary

#28177A

secondary

#9CAF3E

accent

#EB3DCD

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#08030F

muted

#7B787F

Preview Lab

Preview with #28177A

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

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