#170C33#170C33

#170C33 is a very dark, moderate violet. Relative luminance 0.007; OKLCH L 19.7% C 0.073 H 291.2°. Best body text is #FFFFFF at 18.47:1 contrast (WCAG AA passes).

Color values

HEX	#170C33
RGB	rgb(23, 12, 51)
HSL	hsl(257, 62%, 12%)
HSV	hsv(257, 76%, 20%)
CMYK	cmyk(54.9%, 76.5%, 0%, 80%)
CIE-LAB	lab(6.18, 16.88, -23.52)
CIE-LCH	lch(6.18, 28.95, 305.67°)
OKLab	oklab(19.74% 0.0264 -0.0681)
OKLCH	oklch(19.74% 0.073 291.2)
XYZ	xyz(1.0822, 0.6841, 3.2063)
Luminance	0.0068 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight

#03012D

ΔE00 4.84

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#170C33 #28330C

analogous

#0C1533 #170C33 #2B0C33

triadic

#170C33 #33170C #0C3317

tetradic

#170C33 #330C15 #28330C #0C332B

square

#170C33 #330C15 #28330C #0C332B

split-complementary

#170C33 #332B0C #15330C

monochromatic

#0B0619 #0B0619 #170C33 #2D1865 #442396

Accessibility & contrast

On white

18.47

#170C33 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.14

#170C33 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #170C33

18.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##170C33	#FFFFFF	#000000	##FFFFFF
##170C33	1.00	18.47	1.14	18.47
#FFFFFF	18.47	1.00	21.00	1.00
#000000	1.14	21.00	1.00	21.00
##FFFFFF	18.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001434

Deuteranopia (green-blind)

#001332

Tritanopia (blue-blind)

#0E151E

Achromatopsia (no color)

#141414

Design tokens & code

CSS

--color: #170c33;
/* rgb */ color: rgb(23, 12, 51);
/* oklch */ color: oklch(19.7% 0.073 291.2);

Tailwind

colors: {
  custom: {
    50: '#574b6b',
    500: '#170c33',
    950: '#000000',
  },
}

SCSS

$custom: #170c33;
$custom-light: #574b6b;
$custom-dark: #000000;

JSON

{
  "hex": "#170c33",
  "rgb": {
    "r": 23,
    "g": 12,
    "b": 51
  },
  "hsl": {
    "h": 256.923,
    "s": 61.905,
    "l": 12.353
  },
  "oklch": {
    "l": 0.19738,
    "c": 0.07301,
    "h": 291.2
  },
  "luminance": 0.00684
}

Semantic roles & 50–950 ramp

primary

#170C33

secondary

#5C6F2C

accent

#E543B7

background

#F5F4F6

surface

#E9E7EB

border

#C5C3C6

text

#030106

muted

#78777A

Preview Lab

Preview with #170C33

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

Preview Lab → · Contrast checker → · Palette generator →