#170428#170428

#170428 is a very dark, moderate violet. Relative luminance 0.004; OKLCH L 17.1% C 0.072 H 304.6°. Best body text is #FFFFFF at 19.37:1 contrast (WCAG AA passes).

Color values

HEX	#170428
RGB	rgb(23, 4, 40)
HSL	hsl(272, 82%, 9%)
HSV	hsv(272, 90%, 16%)
CMYK	cmyk(42.5%, 90%, 0%, 84.3%)
CIE-LAB	lab(3.81, 15.50, -19.02)
CIE-LCH	lch(3.81, 24.54, 309.18°)
OKLab	oklab(17.06% 0.041 -0.0594)
OKLCH	oklch(17.06% 0.072 304.6)
XYZ	xyz(0.7797, 0.4222, 2.0475)
Luminance	0.0042 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#170428 #152804

analogous

#050428 #170428 #280427

triadic

#170428 #281704 #042817

tetradic

#170428 #280504 #152804 #042728

square

#170428 #280504 #152804 #042728

split-complementary

#170428 #272804 #042805

monochromatic

#10031C #10031C #170428 #370A60 #570F97

Accessibility & contrast

On white

19.37

#170428 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.08

#170428 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #170428

19.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##170428	#FFFFFF	#000000	##FFFFFF
##170428	1.00	19.37	1.08	19.37
#FFFFFF	19.37	1.00	21.00	1.00
#000000	1.08	21.00	1.00	21.00
##FFFFFF	19.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000D29

Deuteranopia (green-blind)

#000E27

Tritanopia (blue-blind)

#140C15

Achromatopsia (no color)

#0E0E0E

Design tokens & code

CSS

--color: #170428;
/* rgb */ color: rgb(23, 4, 40);
/* oklch */ color: oklch(17.1% 0.072 304.6);

Tailwind

colors: {
  custom: {
    50: '#544862',
    500: '#170428',
    950: '#000000',
  },
}

SCSS

$custom: #170428;
$custom-light: #544862;
$custom-dark: #000000;

JSON

{
  "hex": "#170428",
  "rgb": {
    "r": 23,
    "g": 4,
    "b": 40
  },
  "hsl": {
    "h": 271.667,
    "s": 81.818,
    "l": 8.627
  },
  "oklch": {
    "l": 0.17063,
    "c": 0.07218,
    "h": 304.6
  },
  "luminance": 0.00422
}

Semantic roles & 50–950 ramp

primary

#170428

secondary

#426B1D

accent

#F8308E

background

#F4F4F5

surface

#E8E6EA

border

#C4C2C6

text

#030005

muted

#787779

Preview Lab

Preview with #170428

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

Preview Lab → · Contrast checker → · Palette generator →