#170B36#170B36

#170B36 is a very dark, moderate violet. Relative luminance 0.007; OKLCH L 19.9% C 0.079 H 290.1°. Best body text is #FFFFFF at 18.46:1 contrast (WCAG AA passes).

Color values

HEX	#170B36
RGB	rgb(23, 11, 54)
HSL	hsl(257, 66%, 13%)
HSV	hsv(257, 80%, 21%)
CMYK	cmyk(57.4%, 79.6%, 0%, 78.8%)
CIE-LAB	lab(6.21, 18.66, -25.67)
CIE-LCH	lch(6.21, 31.74, 306.02°)
OKLab	oklab(19.86% 0.0272 -0.0743)
OKLCH	oklch(19.86% 0.079 290.1)
XYZ	xyz(1.1387, 0.6878, 3.5621)
Luminance	0.0069 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#170B36 #2A360B

analogous

#0B1436 #170B36 #2C0B36

triadic

#170B36 #36170B #0B3617

tetradic

#170B36 #360B14 #2A360B #0B362C

square

#170B36 #360B14 #2A360B #0B362C

split-complementary

#170B36 #362C0B #14360B

monochromatic

#0B0519 #0B0519 #170B36 #2D1569 #42209C

Accessibility & contrast

On white

18.46

#170B36 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.14

#170B36 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #170B36

18.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##170B36	#FFFFFF	#000000	##FFFFFF
##170B36	1.00	18.46	1.14	18.46
#FFFFFF	18.46	1.00	21.00	1.00
#000000	1.14	21.00	1.00	21.00
##FFFFFF	18.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001537

Deuteranopia (green-blind)

#001335

Tritanopia (blue-blind)

#0D161F

Achromatopsia (no color)

#141414

Design tokens & code

CSS

--color: #170b36;
/* rgb */ color: rgb(23, 11, 54);
/* oklch */ color: oklch(19.9% 0.079 290.1);

Tailwind

colors: {
  custom: {
    50: '#574b6d',
    500: '#170b36',
    950: '#000000',
  },
}

SCSS

$custom: #170b36;
$custom-light: #574b6d;
$custom-dark: #000000;

JSON

{
  "hex": "#170b36",
  "rgb": {
    "r": 23,
    "g": 11,
    "b": 54
  },
  "hsl": {
    "h": 256.744,
    "s": 66.154,
    "l": 12.745
  },
  "oklch": {
    "l": 0.19858,
    "c": 0.07916,
    "h": 290.1
  },
  "luminance": 0.00688
}

Semantic roles & 50–950 ramp

primary

#170B36

secondary

#5E732A

accent

#E93FBA

background

#F5F4F6

surface

#E9E7EB

border

#C5C3C6

text

#030107

muted

#78777A

Preview Lab

Preview with #170B36

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

Preview Lab → · Contrast checker → · Palette generator →