#170D3E#170D3E

#170D3E is a very dark, moderate violet. Relative luminance 0.008; OKLCH L 21.1% C 0.088 H 285.3°. Best body text is #FFFFFF at 18.05:1 contrast (WCAG AA passes).

Color values

HEX	#170D3E
RGB	rgb(23, 13, 62)
HSL	hsl(252, 65%, 15%)
HSV	hsv(252, 79%, 24%)
CMYK	cmyk(62.9%, 79%, 0%, 75.7%)
CIE-LAB	lab(7.39, 20.78, -29.55)
CIE-LCH	lch(7.39, 36.12, 305.11°)
OKLab	oklab(21.05% 0.0233 -0.085)
OKLCH	oklch(21.05% 0.088 285.3)
XYZ	xyz(1.3665, 0.8177, 4.6423)
Luminance	0.0082 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#170D3E #343E0D

analogous

#0D1C3E #170D3E #300D3E

triadic

#170D3E #3E170D #0D3E17

tetradic

#170D3E #3E0D1C #343E0D #0D3E30

square

#170D3E #3E0D1C #343E0D #0D3E30

split-complementary

#170D3E #3E300D #1C3E0D

monochromatic

#090519 #090519 #170D3E #2A1871 #3D22A3

Accessibility & contrast

On white

18.05

#170D3E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.16

#170D3E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #170D3E

18.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##170D3E	#FFFFFF	#000000	##FFFFFF
##170D3E	1.00	18.05	1.16	18.05
#FFFFFF	18.05	1.00	21.00	1.00
#000000	1.16	21.00	1.00	21.00
##FFFFFF	18.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00183F

Deuteranopia (green-blind)

#00153D

Tritanopia (blue-blind)

#061A24

Achromatopsia (no color)

#161616

Design tokens & code

CSS

--color: #170d3e;
/* rgb */ color: rgb(23, 13, 62);
/* oklch */ color: oklch(21.1% 0.088 285.3);

Tailwind

colors: {
  custom: {
    50: '#594c74',
    500: '#170d3e',
    950: '#000000',
  },
}

SCSS

$custom: #170d3e;
$custom-light: #594c74;
$custom-dark: #000000;

JSON

{
  "hex": "#170d3e",
  "rgb": {
    "r": 23,
    "g": 13,
    "b": 62
  },
  "hsl": {
    "h": 252.245,
    "s": 65.333,
    "l": 14.706
  },
  "oklch": {
    "l": 0.21051,
    "c": 0.08819,
    "h": 285.3
  },
  "luminance": 0.00818
}

Semantic roles & 50–950 ramp

primary

#170D3E

secondary

#6A7A2D

accent

#E840C6

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#040108

muted

#79777B

Preview Lab

Preview with #170D3E

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

Preview Lab → · Contrast checker → · Palette generator →