#170B34#170B34

#170B34 is a very dark, moderate violet. Relative luminance 0.007; OKLCH L 19.7% C 0.076 H 291.2°. Best body text is #FFFFFF at 18.52:1 contrast (WCAG AA passes).

Color values

HEX	#170B34
RGB	rgb(23, 11, 52)
HSL	hsl(258, 65%, 12%)
HSV	hsv(258, 79%, 20%)
CMYK	cmyk(55.8%, 78.8%, 0%, 79.6%)
CIE-LAB	lab(6.05, 17.82, -24.47)
CIE-LCH	lch(6.05, 30.27, 306.06°)
OKLab	oklab(19.65% 0.0276 -0.071)
OKLCH	oklch(19.65% 0.076 291.2)
XYZ	xyz(1.0927, 0.6694, 3.3198)
Luminance	0.0067 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight

#03012D

ΔE00 4.93

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#170B34 #28340B

analogous

#0B1434 #170B34 #2C0B34

triadic

#170B34 #34170B #0B3417

tetradic

#170B34 #340B14 #28340B #0B342C

square

#170B34 #340B14 #28340B #0B342C

split-complementary

#170B34 #342C0B #14340B

monochromatic

#0B0519 #0B0519 #170B34 #2D1667 #442099

Accessibility & contrast

On white

18.52

#170B34 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.13

#170B34 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #170B34

18.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##170B34	#FFFFFF	#000000	##FFFFFF
##170B34	1.00	18.52	1.13	18.52
#FFFFFF	18.52	1.00	21.00	1.00
#000000	1.13	21.00	1.00	21.00
##FFFFFF	18.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001435

Deuteranopia (green-blind)

#001333

Tritanopia (blue-blind)

#0E151E

Achromatopsia (no color)

#131313

Design tokens & code

CSS

--color: #170b34;
/* rgb */ color: rgb(23, 11, 52);
/* oklch */ color: oklch(19.7% 0.076 291.2);

Tailwind

colors: {
  custom: {
    50: '#574b6c',
    500: '#170b34',
    950: '#000000',
  },
}

SCSS

$custom: #170b34;
$custom-light: #574b6c;
$custom-dark: #000000;

JSON

{
  "hex": "#170b34",
  "rgb": {
    "r": 23,
    "g": 11,
    "b": 52
  },
  "hsl": {
    "h": 257.561,
    "s": 65.079,
    "l": 12.353
  },
  "oklch": {
    "l": 0.19654,
    "c": 0.07615,
    "h": 291.2
  },
  "luminance": 0.00669
}

Semantic roles & 50–950 ramp

primary

#170B34

secondary

#5C712A

accent

#E840B7

background

#F5F4F6

surface

#E9E7EB

border

#C5C3C6

text

#030107

muted

#78777A

Preview Lab

Preview with #170B34

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

Preview Lab → · Contrast checker → · Palette generator →