#170A2A#170A2A

#170A2A is a very dark, moderate violet. Relative luminance 0.006; OKLCH L 18.5% C 0.062 H 298.9°. Best body text is #FFFFFF at 18.86:1 contrast (WCAG AA passes).

Color values

HEX	#170A2A
RGB	rgb(23, 10, 42)
HSL	hsl(264, 62%, 10%)
HSV	hsv(264, 76%, 16%)
CMYK	cmyk(45.2%, 76.2%, 0%, 83.5%)
CIE-LAB	lab(5.12, 13.96, -18.50)
CIE-LCH	lch(5.12, 23.18, 307.04°)
OKLab	oklab(18.51% 0.0302 -0.0547)
OKLCH	oklch(18.51% 0.062 298.9)
XYZ	xyz(0.8797, 0.5664, 2.2530)
Luminance	0.0057 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#170A2A #1D2A0A

analogous

#0A0D2A #170A2A #270A2A

triadic

#170A2A #2A170A #0A2A17

tetradic

#170A2A #2A0A0D #1D2A0A #0A2A27

square

#170A2A #2A0A0D #1D2A0A #0A2A27

split-complementary

#170A2A #2A270A #0D2A0A

monochromatic

#0E0619 #0E0619 #170A2A #32165B #4D228D

Accessibility & contrast

On white

18.86

#170A2A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.11

#170A2A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #170A2A

18.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##170A2A	#FFFFFF	#000000	##FFFFFF
##170A2A	1.00	18.86	1.11	18.86
#FFFFFF	18.86	1.00	21.00	1.00
#000000	1.11	21.00	1.00	21.00
##FFFFFF	18.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00112B

Deuteranopia (green-blind)

#021129

Tritanopia (blue-blind)

#131118

Achromatopsia (no color)

#111111

Design tokens & code

CSS

--color: #170a2a;
/* rgb */ color: rgb(23, 10, 42);
/* oklch */ color: oklch(18.5% 0.062 298.9);

Tailwind

colors: {
  custom: {
    50: '#554b63',
    500: '#170a2a',
    950: '#000000',
  },
}

SCSS

$custom: #170a2a;
$custom-light: #554b63;
$custom-dark: #000000;

JSON

{
  "hex": "#170a2a",
  "rgb": {
    "r": 23,
    "g": 10,
    "b": 42
  },
  "hsl": {
    "h": 264.375,
    "s": 61.538,
    "l": 10.196
  },
  "oklch": {
    "l": 0.18505,
    "c": 0.06248,
    "h": 298.9
  },
  "luminance": 0.00566
}

Semantic roles & 50–950 ramp

primary

#170A2A

secondary

#4E6729

accent

#E543A3

background

#F5F4F5

surface

#E9E7EA

border

#C5C3C6

text

#030105

muted

#787779

Preview Lab

Preview with #170A2A

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

Preview Lab → · Contrast checker → · Palette generator →