#170B3D#170B3D

#170B3D is a very dark, moderate violet. Relative luminance 0.008; OKLCH L 20.6% C 0.089 H 286.6°. Best body text is #FFFFFF at 18.24:1 contrast (WCAG AA passes).

Color values

HEX	#170B3D
RGB	rgb(23, 11, 61)
HSL	hsl(254, 69%, 14%)
HSV	hsv(254, 82%, 24%)
CMYK	cmyk(62.3%, 82%, 0%, 76.1%)
CIE-LAB	lab(6.85, 21.54, -29.70)
CIE-LCH	lch(6.85, 36.69, 305.95°)
OKLab	oklab(20.61% 0.0256 -0.0857)
OKLCH	oklch(20.61% 0.089 286.6)
XYZ	xyz(1.3151, 0.7584, 4.4911)
Luminance	0.0076 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#170B3D #313D0B

analogous

#0B183D #170B3D #300B3D

triadic

#170B3D #3D170B #0B3D17

tetradic

#170B3D #3D0B18 #313D0B #0B3D30

square

#170B3D #3D0B18 #313D0B #0B3D30

split-complementary

#170B3D #3D300B #183D0B

monochromatic

#0A051A #0A051A #170B3D #2B1471 #3E1EA5

Accessibility & contrast

On white

18.24

#170B3D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.15

#170B3D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #170B3D

18.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##170B3D	#FFFFFF	#000000	##FFFFFF
##170B3D	1.00	18.24	1.15	18.24
#FFFFFF	18.24	1.00	21.00	1.00
#000000	1.15	21.00	1.00	21.00
##FFFFFF	18.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00163E

Deuteranopia (green-blind)

#00143C

Tritanopia (blue-blind)

#071823

Achromatopsia (no color)

#151515

Design tokens & code

CSS

--color: #170b3d;
/* rgb */ color: rgb(23, 11, 61);
/* oklch */ color: oklch(20.6% 0.089 286.6);

Tailwind

colors: {
  custom: {
    50: '#594b73',
    500: '#170b3d',
    950: '#000000',
  },
}

SCSS

$custom: #170b3d;
$custom-light: #594b73;
$custom-dark: #000000;

JSON

{
  "hex": "#170b3d",
  "rgb": {
    "r": 23,
    "g": 11,
    "b": 61
  },
  "hsl": {
    "h": 254.4,
    "s": 69.444,
    "l": 14.118
  },
  "oklch": {
    "l": 0.20605,
    "c": 0.08947,
    "h": 286.6
  },
  "luminance": 0.00758
}

Semantic roles & 50–950 ramp

primary

#170B3D

secondary

#677A2A

accent

#EC3CC2

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#040108

muted

#79777B

Preview Lab

Preview with #170B3D

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

Preview Lab → · Contrast checker → · Palette generator →