#170D3B#170D3B

#170D3B is a very dark, moderate violet. Relative luminance 0.008; OKLCH L 20.7% C 0.084 H 286.6°. Best body text is #FFFFFF at 18.15:1 contrast (WCAG AA passes).

Color values

HEX	#170D3B
RGB	rgb(23, 13, 59)
HSL	hsl(253, 64%, 14%)
HSV	hsv(253, 78%, 23%)
CMYK	cmyk(61%, 78%, 0%, 76.9%)
CIE-LAB	lab(7.10, 19.60, -27.86)
CIE-LCH	lch(7.10, 34.07, 305.13°)
OKLab	oklab(20.73% 0.0239 -0.0802)
OKLCH	oklch(20.73% 0.084 286.6)
XYZ	xyz(1.2865, 0.7857, 4.2207)
Luminance	0.0079 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#170D3B #313B0D

analogous

#0D1A3B #170D3B #2E0D3B

triadic

#170D3B #3B170D #0D3B17

tetradic

#170D3B #3B0D1A #313B0D #0D3B2E

square

#170D3B #3B0D1A #313B0D #0D3B2E

split-complementary

#170D3B #3B2E0D #1A3B0D

monochromatic

#0A0619 #0A0619 #170D3B #2B186D #3E239F

Accessibility & contrast

On white

18.15

#170D3B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.16

#170D3B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #170D3B

18.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##170D3B	#FFFFFF	#000000	##FFFFFF
##170D3B	1.00	18.15	1.16	18.15
#FFFFFF	18.15	1.00	21.00	1.00
#000000	1.16	21.00	1.00	21.00
##FFFFFF	18.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00173C

Deuteranopia (green-blind)

#00143A

Tritanopia (blue-blind)

#091922

Achromatopsia (no color)

#161616

Design tokens & code

CSS

--color: #170d3b;
/* rgb */ color: rgb(23, 13, 59);
/* oklch */ color: oklch(20.7% 0.084 286.6);

Tailwind

colors: {
  custom: {
    50: '#594c71',
    500: '#170d3b',
    950: '#000000',
  },
}

SCSS

$custom: #170d3b;
$custom-light: #594c71;
$custom-dark: #000000;

JSON

{
  "hex": "#170d3b",
  "rgb": {
    "r": 23,
    "g": 13,
    "b": 59
  },
  "hsl": {
    "h": 253.043,
    "s": 63.889,
    "l": 14.118
  },
  "oklch": {
    "l": 0.20734,
    "c": 0.0837,
    "h": 286.6
  },
  "luminance": 0.00786
}

Semantic roles & 50–950 ramp

primary

#170D3B

secondary

#67772D

accent

#E741C3

background

#F5F4F6

surface

#E9E7EC

border

#C5C3C7

text

#040108

muted

#79777B

Preview Lab

Preview with #170D3B

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

Preview Lab → · Contrast checker → · Palette generator →