#170C40#170C40

#170C40 is a very dark, moderate violet. Relative luminance 0.008; OKLCH L 21.1% C 0.092 H 285.0°. Best body text is #FFFFFF at 18.06:1 contrast (WCAG AA passes).

Color values

HEX	#170C40
RGB	rgb(23, 12, 64)
HSL	hsl(253, 68%, 15%)
HSV	hsv(253, 81%, 25%)
CMYK	cmyk(64.1%, 81.2%, 0%, 74.9%)
CIE-LAB	lab(7.36, 22.15, -31.01)
CIE-LCH	lch(7.36, 38.11, 305.54°)
OKLab	oklab(21.1% 0.0239 -0.0893)
OKLCH	oklch(21.1% 0.092 285)
XYZ	xyz(1.4100, 0.8152, 4.9325)
Luminance	0.0081 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Night Blue

#040348

ΔE00 4.18

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#170C40 #35400C

analogous

#0C1B40 #170C40 #310C40

triadic

#170C40 #40170C #0C4017

tetradic

#170C40 #400C1B #35400C #0C4031

square

#170C40 #400C1B #35400C #0C4031

split-complementary

#170C40 #40310C #1B400C

monochromatic

#09051A #09051A #170C40 #2A1674 #3C1FA7

Accessibility & contrast

On white

18.06

#170C40 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.16

#170C40 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #170C40

18.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##170C40	#FFFFFF	#000000	##FFFFFF
##170C40	1.00	18.06	1.16	18.06
#FFFFFF	18.06	1.00	21.00	1.00
#000000	1.16	21.00	1.00	21.00
##FFFFFF	18.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001842

Deuteranopia (green-blind)

#00153F

Tritanopia (blue-blind)

#041A25

Achromatopsia (no color)

#161616

Design tokens & code

CSS

--color: #170c40;
/* rgb */ color: rgb(23, 12, 64);
/* oklch */ color: oklch(21.1% 0.092 285.0);

Tailwind

colors: {
  custom: {
    50: '#5a4c75',
    500: '#170c40',
    950: '#000000',
  },
}

SCSS

$custom: #170c40;
$custom-light: #5a4c75;
$custom-dark: #000000;

JSON

{
  "hex": "#170c40",
  "rgb": {
    "r": 23,
    "g": 12,
    "b": 64
  },
  "hsl": {
    "h": 252.692,
    "s": 68.421,
    "l": 14.902
  },
  "oklch": {
    "l": 0.21099,
    "c": 0.09249,
    "h": 285
  },
  "luminance": 0.00815
}

Semantic roles & 50–950 ramp

primary

#170C40

secondary

#6B7C2C

accent

#EB3DC6

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#040108

muted

#79777B

Preview Lab

Preview with #170C40

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

Preview Lab → · Contrast checker → · Palette generator →