#170028#170028

#170028 is a very dark, moderate violet. Relative luminance 0.003; OKLCH L 16.1% C 0.083 H 307.1°. Best body text is #FFFFFF at 19.68:1 contrast (WCAG AA passes).

Color values

HEX	#170028
RGB	rgb(23, 0, 40)
HSL	hsl(275, 100%, 8%)
HSV	hsv(275, 100%, 16%)
CMYK	cmyk(42.5%, 100%, 0%, 84.3%)
CIE-LAB	lab(3.03, 17.10, -20.25)
CIE-LCH	lch(3.03, 26.51, 310.19°)
OKLab	oklab(16.1% 0.0499 -0.0659)
OKLCH	oklch(16.1% 0.083 307.1)
XYZ	xyz(0.7363, 0.3354, 2.0330)
Luminance	0.0034 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#170028 #112800

analogous

#030028 #170028 #280025

triadic

#170028 #281700 #002817

tetradic

#170028 #280300 #112800 #002528

square

#170028 #280300 #112800 #002528

split-complementary

#170028 #252800 #002803

monochromatic

#12001F #12001F #170028 #3A0065 #5D00A2

Accessibility & contrast

On white

19.68

#170028 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.07

#170028 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #170028

19.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##170028	#FFFFFF	#000000	##FFFFFF
##170028	1.00	19.68	1.07	19.68
#FFFFFF	19.68	1.00	21.00	1.00
#000000	1.07	21.00	1.00	21.00
##FFFFFF	19.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000A29

Deuteranopia (green-blind)

#000B27

Tritanopia (blue-blind)

#140813

Achromatopsia (no color)

#0B0B0B

Design tokens & code

CSS

--color: #170028;
/* rgb */ color: rgb(23, 0, 40);
/* oklch */ color: oklch(16.1% 0.083 307.1);

Tailwind

colors: {
  custom: {
    50: '#544662',
    500: '#170028',
    950: '#000000',
  },
}

SCSS

$custom: #170028;
$custom-light: #544662;
$custom-dark: #000000;

JSON

{
  "hex": "#170028",
  "rgb": {
    "r": 23,
    "g": 0,
    "b": 40
  },
  "hsl": {
    "h": 274.5,
    "s": 100,
    "l": 7.843
  },
  "oklch": {
    "l": 0.16104,
    "c": 0.0827,
    "h": 307.1
  },
  "luminance": 0.00335
}

Semantic roles & 50–950 ramp

primary

#170028

secondary

#3B7014

accent

#FF2984

background

#F4F3F5

surface

#E8E5EA

border

#C4C1C6

text

#030005

muted

#787779

Preview Lab

Preview with #170028

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

Preview Lab → · Contrast checker → · Palette generator →