#17043B#17043B

#17043B is a very dark, moderate violet. Relative luminance 0.006; OKLCH L 19.2% C 0.097 H 290.5°. Best body text is #FFFFFF at 18.80:1 contrast (WCAG AA passes).

Color values

HEX	#17043B
RGB	rgb(23, 4, 59)
HSL	hsl(261, 87%, 12%)
HSV	hsv(261, 93%, 23%)
CMYK	cmyk(61%, 93.2%, 0%, 76.9%)
CIE-LAB	lab(5.28, 24.24, -30.82)
CIE-LCH	lch(5.28, 39.21, 308.19°)
OKLab	oklab(19.21% 0.0338 -0.0905)
OKLCH	oklch(19.21% 0.097 290.5)
XYZ	xyz(1.1860, 0.5847, 4.1872)
Luminance	0.0059 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17043B #283B04

analogous

#040D3B #17043B #33043B

triadic

#17043B #3B1704 #043B17

tetradic

#17043B #3B040D #283B04 #043B33

square

#17043B #3B040D #283B04 #043B33

split-complementary

#17043B #3B3304 #0D3B04

monochromatic

#0B021D #0B021D #17043B #2D0874 #440CAE

Accessibility & contrast

On white

18.80

#17043B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.12

#17043B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17043B

18.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17043B	#FFFFFF	#000000	##FFFFFF
##17043B	1.00	18.80	1.12	18.80
#FFFFFF	18.80	1.00	21.00	1.00
#000000	1.12	21.00	1.00	21.00
##FFFFFF	18.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00123C

Deuteranopia (green-blind)

#00103A

Tritanopia (blue-blind)

#091420

Achromatopsia (no color)

#121212

Design tokens & code

CSS

--color: #17043b;
/* rgb */ color: rgb(23, 4, 59);
/* oklch */ color: oklch(19.2% 0.097 290.5);

Tailwind

colors: {
  custom: {
    50: '#594772',
    500: '#17043b',
    950: '#000000',
  },
}

SCSS

$custom: #17043b;
$custom-light: #594772;
$custom-dark: #000000;

JSON

{
  "hex": "#17043b",
  "rgb": {
    "r": 23,
    "g": 4,
    "b": 59
  },
  "hsl": {
    "h": 260.727,
    "s": 87.302,
    "l": 12.353
  },
  "oklch": {
    "l": 0.19212,
    "c": 0.09662,
    "h": 290.5
  },
  "luminance": 0.00585
}

Semantic roles & 50–950 ramp

primary

#17043B

secondary

#5C7D1E

accent

#FD2AB5

background

#F5F4F6

surface

#E9E6EC

border

#C5C2C7

text

#040008

muted

#79777B

Preview Lab

Preview with #17043B

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

Preview Lab → · Contrast checker → · Palette generator →