#170A22#170A22

#170A22 is a very dark, muted violet. Relative luminance 0.005; OKLCH L 17.8% C 0.050 H 307.1°. Best body text is #FFFFFF at 19.04:1 contrast (WCAG AA passes).

Color values

HEX	#170A22
RGB	rgb(23, 10, 34)
HSL	hsl(273, 55%, 9%)
HSV	hsv(273, 71%, 13%)
CMYK	cmyk(32.4%, 70.6%, 0%, 86.7%)
CIE-LAB	lab(4.65, 10.71, -13.11)
CIE-LCH	lch(4.65, 16.92, 309.25°)
OKLab	oklab(17.82% 0.0301 -0.0398)
OKLCH	oklch(17.82% 0.05 307.1)
XYZ	xyz(0.7506, 0.5147, 1.5729)
Luminance	0.0052 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#170A22 #15220A

analogous

#0B0A22 #170A22 #220A21

triadic

#170A22 #22170A #0A2217

tetradic

#170A22 #220B0A #15220A #0A2122

square

#170A22 #220B0A #15220A #0A2122

split-complementary

#170A22 #21220A #0A220B

monochromatic

#100718 #100718 #170A22 #371851 #572681

Accessibility & contrast

On white

19.04

#170A22 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.10

#170A22 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #170A22

19.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##170A22	#FFFFFF	#000000	##FFFFFF
##170A22	1.00	19.04	1.10	19.04
#FFFFFF	19.04	1.00	21.00	1.00
#000000	1.10	21.00	1.00	21.00
##FFFFFF	19.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#040F23

Deuteranopia (green-blind)

#071021

Tritanopia (blue-blind)

#150E14

Achromatopsia (no color)

#101010

Design tokens & code

CSS

--color: #170a22;
/* rgb */ color: rgb(23, 10, 34);
/* oklch */ color: oklch(17.8% 0.050 307.1);

Tailwind

colors: {
  custom: {
    50: '#534b5d',
    500: '#170a22',
    950: '#000000',
  },
}

SCSS

$custom: #170a22;
$custom-light: #534b5d;
$custom-dark: #000000;

JSON

{
  "hex": "#170a22",
  "rgb": {
    "r": 23,
    "g": 10,
    "b": 34
  },
  "hsl": {
    "h": 272.5,
    "s": 54.545,
    "l": 8.627
  },
  "oklch": {
    "l": 0.17821,
    "c": 0.0499,
    "h": 307.1
  },
  "luminance": 0.00515
}

Semantic roles & 50–950 ramp

primary

#170A22

secondary

#425E2A

accent

#DE4A8E

background

#F4F4F5

surface

#E7E7E9

border

#C3C3C5

text

#020104

muted

#787779

Preview Lab

Preview with #170A22

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

Preview Lab → · Contrast checker → · Palette generator →