#28177D#28177D

#28177D is a dark, vivid violet. Relative luminance 0.025; OKLCH L 31.1% C 0.159 H 279.5°. Best body text is #FFFFFF at 13.92:1 contrast (WCAG AA passes).

Color values

HEX	#28177D
RGB	rgb(40, 23, 125)
HSL	hsl(250, 69%, 29%)
HSV	hsv(250, 82%, 49%)
CMYK	cmyk(68%, 81.6%, 0%, 51%)
CIE-LAB	lab(18.12, 38.80, -54.16)
CIE-LCH	lch(18.12, 66.63, 305.62°)
OKLab	oklab(31.14% 0.0261 -0.1564)
OKLCH	oklch(31.14% 0.159 279.5)
XYZ	xyz(4.8820, 2.5442, 19.6319)
Luminance	0.0255 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28177D #6C7D17

analogous

#17397D #28177D #5B177D

triadic

#28177D #7D2817 #177D28

tetradic

#28177D #7D1739 #6C7D17 #177D5B

square

#28177D #7D1739 #6C7D17 #177D5B

split-complementary

#28177D #7D5B17 #397D17

monochromatic

#08051A #170D49 #28177D #3921B1 #5035DA

Accessibility & contrast

On white

13.92

#28177D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.51

#28177D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28177D

13.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28177D	#FFFFFF	#000000	##FFFFFF
##28177D	1.00	13.92	1.51	13.92
#FFFFFF	13.92	1.00	21.00	1.00
#000000	1.51	21.00	1.00	21.00
##FFFFFF	13.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003080

Deuteranopia (green-blind)

#00287B

Tritanopia (blue-blind)

#00364A

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #28177d;
/* rgb */ color: rgb(40, 23, 125);
/* oklch */ color: oklch(31.1% 0.159 279.5);

Tailwind

colors: {
  custom: {
    50: '#6f57a4',
    500: '#28177d',
    950: '#000000',
  },
}

SCSS

$custom: #28177d;
$custom-light: #6f57a4;
$custom-dark: #000000;

JSON

{
  "hex": "#28177d",
  "rgb": {
    "r": 40,
    "g": 23,
    "b": 125
  },
  "hsl": {
    "h": 250,
    "s": 68.919,
    "l": 29.02
  },
  "oklch": {
    "l": 0.31142,
    "c": 0.15857,
    "h": 279.5
  },
  "luminance": 0.02545
}

Semantic roles & 50–950 ramp

primary

#28177D

secondary

#9EB23E

accent

#EC3CCE

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#08030F

muted

#7B787F

Preview Lab

Preview with #28177D

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

Preview Lab → · Contrast checker → · Palette generator →