#170B40#170B40

#170B40 is a very dark, moderate violet. Relative luminance 0.008; OKLCH L 20.9% C 0.094 H 285.4°. Best body text is #FFFFFF at 18.13:1 contrast (WCAG AA passes).

Color values

HEX	#170B40
RGB	rgb(23, 11, 64)
HSL	hsl(254, 71%, 15%)
HSV	hsv(254, 83%, 25%)
CMYK	cmyk(64.1%, 82.8%, 0%, 74.9%)
CIE-LAB	lab(7.15, 22.73, -31.36)
CIE-LCH	lch(7.15, 38.73, 305.93°)
OKLab	oklab(20.94% 0.0248 -0.0904)
OKLCH	oklch(20.94% 0.094 285.4)
XYZ	xyz(1.3982, 0.7916, 4.9286)
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

#170B40 #34400B

analogous

#0B1A40 #170B40 #320B40

triadic

#170B40 #40170B #0B4017

tetradic

#170B40 #400B1A #34400B #0B4032

square

#170B40 #400B1A #34400B #0B4032

split-complementary

#170B40 #40320B #1A400B

monochromatic

#09041A #09041A #170B40 #2A1474 #3D1DA8

Accessibility & contrast

On white

18.13

#170B40 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.16

#170B40 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #170B40

18.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##170B40	#FFFFFF	#000000	##FFFFFF
##170B40	1.00	18.13	1.16	18.13
#FFFFFF	18.13	1.00	21.00	1.00
#000000	1.16	21.00	1.00	21.00
##FFFFFF	18.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001742

Deuteranopia (green-blind)

#00143F

Tritanopia (blue-blind)

#041924

Achromatopsia (no color)

#161616

Design tokens & code

CSS

--color: #170b40;
/* rgb */ color: rgb(23, 11, 64);
/* oklch */ color: oklch(20.9% 0.094 285.4);

Tailwind

colors: {
  custom: {
    50: '#5a4b75',
    500: '#170b40',
    950: '#000000',
  },
}

SCSS

$custom: #170b40;
$custom-light: #5a4b75;
$custom-dark: #000000;

JSON

{
  "hex": "#170b40",
  "rgb": {
    "r": 23,
    "g": 11,
    "b": 64
  },
  "hsl": {
    "h": 253.585,
    "s": 70.667,
    "l": 14.706
  },
  "oklch": {
    "l": 0.20938,
    "c": 0.09379,
    "h": 285.4
  },
  "luminance": 0.00792
}

Semantic roles & 50–950 ramp

primary

#170B40

secondary

#6A7D2A

accent

#ED3AC5

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#040108

muted

#79777B

Preview Lab

Preview with #170B40

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

Preview Lab → · Contrast checker → · Palette generator →