#170B41#170B41

#170B41 is a very dark, moderate violet. Relative luminance 0.008; OKLCH L 21.1% C 0.095 H 284.9°. Best body text is #FFFFFF at 18.09:1 contrast (WCAG AA passes).

Color values

HEX	#170B41
RGB	rgb(23, 11, 65)
HSL	hsl(253, 71%, 15%)
HSV	hsv(253, 83%, 25%)
CMYK	cmyk(64.6%, 83.1%, 0%, 74.5%)
CIE-LAB	lab(7.25, 23.11, -31.91)
CIE-LCH	lch(7.25, 39.40, 305.92°)
OKLab	oklab(21.05% 0.0246 -0.092)
OKLCH	oklch(21.05% 0.095 284.9)
XYZ	xyz(1.4269, 0.8031, 5.0798)
Luminance	0.0080 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#170B41 #35410B

analogous

#0B1A41 #170B41 #320B41

triadic

#170B41 #41170B #0B4117

tetradic

#170B41 #410B1A #35410B #0B4132

square

#170B41 #410B1A #35410B #0B4132

split-complementary

#170B41 #41320B #1A410B

monochromatic

#09041A #09041A #170B41 #2A1475 #3C1DAA

Accessibility & contrast

On white

18.09

#170B41 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.16

#170B41 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #170B41

18.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##170B41	#FFFFFF	#000000	##FFFFFF
##170B41	1.00	18.09	1.16	18.09
#FFFFFF	18.09	1.00	21.00	1.00
#000000	1.16	21.00	1.00	21.00
##FFFFFF	18.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001843

Deuteranopia (green-blind)

#001440

Tritanopia (blue-blind)

#031A25

Achromatopsia (no color)

#161616

Design tokens & code

CSS

--color: #170b41;
/* rgb */ color: rgb(23, 11, 65);
/* oklch */ color: oklch(21.1% 0.095 284.9);

Tailwind

colors: {
  custom: {
    50: '#5a4b76',
    500: '#170b41',
    950: '#000000',
  },
}

SCSS

$custom: #170b41;
$custom-light: #5a4b76;
$custom-dark: #000000;

JSON

{
  "hex": "#170b41",
  "rgb": {
    "r": 23,
    "g": 11,
    "b": 65
  },
  "hsl": {
    "h": 253.333,
    "s": 71.053,
    "l": 14.902
  },
  "oklch": {
    "l": 0.2105,
    "c": 0.09521,
    "h": 284.9
  },
  "luminance": 0.00803
}

Semantic roles & 50–950 ramp

primary

#170B41

secondary

#6B7E2A

accent

#EE3AC6

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#040108

muted

#79777B

Preview Lab

Preview with #170B41

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

Preview Lab → · Contrast checker → · Palette generator →