#170C3C#170C3C

#170C3C is a very dark, moderate violet. Relative luminance 0.008; OKLCH L 20.7% C 0.087 H 286.6°. Best body text is #FFFFFF at 18.19:1 contrast (WCAG AA passes).

Color values

HEX	#170C3C
RGB	rgb(23, 12, 60)
HSL	hsl(254, 67%, 14%)
HSV	hsv(254, 80%, 24%)
CMYK	cmyk(61.7%, 80%, 0%, 76.5%)
CIE-LAB	lab(6.97, 20.58, -28.80)
CIE-LCH	lch(6.97, 35.40, 305.56°)
OKLab	oklab(20.66% 0.0248 -0.083)
OKLCH	oklch(20.66% 0.087 286.6)
XYZ	xyz(1.3002, 0.7713, 4.3545)
Luminance	0.0077 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#170C3C #313C0C

analogous

#0C193C #170C3C #2F0C3C

triadic

#170C3C #3C170C #0C3C17

tetradic

#170C3C #3C0C19 #313C0C #0C3C2F

square

#170C3C #3C0C19 #313C0C #0C3C2F

split-complementary

#170C3C #3C2F0C #193C0C

monochromatic

#0A051A #0A051A #170C3C #2B166F #3E20A2

Accessibility & contrast

On white

18.19

#170C3C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.15

#170C3C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #170C3C

18.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##170C3C	#FFFFFF	#000000	##FFFFFF
##170C3C	1.00	18.19	1.15	18.19
#FFFFFF	18.19	1.00	21.00	1.00
#000000	1.15	21.00	1.00	21.00
##FFFFFF	18.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00173D

Deuteranopia (green-blind)

#00143B

Tritanopia (blue-blind)

#081822

Achromatopsia (no color)

#151515

Design tokens & code

CSS

--color: #170c3c;
/* rgb */ color: rgb(23, 12, 60);
/* oklch */ color: oklch(20.7% 0.087 286.6);

Tailwind

colors: {
  custom: {
    50: '#594b72',
    500: '#170c3c',
    950: '#000000',
  },
}

SCSS

$custom: #170c3c;
$custom-light: #594b72;
$custom-dark: #000000;

JSON

{
  "hex": "#170c3c",
  "rgb": {
    "r": 23,
    "g": 12,
    "b": 60
  },
  "hsl": {
    "h": 253.75,
    "s": 66.667,
    "l": 14.118
  },
  "oklch": {
    "l": 0.20664,
    "c": 0.08663,
    "h": 286.6
  },
  "luminance": 0.00771
}

Semantic roles & 50–950 ramp

primary

#170C3C

secondary

#67782C

accent

#EA3EC2

background

#F5F4F6

surface

#E9E7EC

border

#C5C3C7

text

#040108

muted

#79777B

Preview Lab

Preview with #170C3C

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

Preview Lab → · Contrast checker → · Palette generator →