#170C31#170C31

#170C31 is a very dark, moderate violet. Relative luminance 0.007; OKLCH L 19.5% C 0.070 H 292.4°. Best body text is #FFFFFF at 18.53:1 contrast (WCAG AA passes).

Color values

HEX	#170C31
RGB	rgb(23, 12, 49)
HSL	hsl(258, 61%, 12%)
HSV	hsv(258, 76%, 19%)
CMYK	cmyk(53.1%, 75.5%, 0%, 80.8%)
CIE-LAB	lab(6.02, 16.04, -22.30)
CIE-LCH	lch(6.02, 27.47, 305.73°)
OKLab	oklab(19.54% 0.0266 -0.0646)
OKLCH	oklch(19.54% 0.07 292.4)
XYZ	xyz(1.0390, 0.6668, 2.9791)
Luminance	0.0067 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight

#03012D

ΔE00 4.90

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#170C31 #26310C

analogous

#0C1431 #170C31 #2A0C31

triadic

#170C31 #31170C #0C3117

tetradic

#170C31 #310C14 #26310C #0C312A

square

#170C31 #310C14 #26310C #0C312A

split-complementary

#170C31 #312A0C #14310C

monochromatic

#0C0619 #0C0619 #170C31 #2E1862 #452493

Accessibility & contrast

On white

18.53

#170C31 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.13

#170C31 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #170C31

18.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##170C31	#FFFFFF	#000000	##FFFFFF
##170C31	1.00	18.53	1.13	18.53
#FFFFFF	18.53	1.00	21.00	1.00
#000000	1.13	21.00	1.00	21.00
##FFFFFF	18.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001432

Deuteranopia (green-blind)

#001330

Tritanopia (blue-blind)

#10151C

Achromatopsia (no color)

#131313

Design tokens & code

CSS

--color: #170c31;
/* rgb */ color: rgb(23, 12, 49);
/* oklch */ color: oklch(19.5% 0.070 292.4);

Tailwind

colors: {
  custom: {
    50: '#564b69',
    500: '#170c31',
    950: '#000000',
  },
}

SCSS

$custom: #170c31;
$custom-light: #564b69;
$custom-dark: #000000;

JSON

{
  "hex": "#170c31",
  "rgb": {
    "r": 23,
    "g": 12,
    "b": 49
  },
  "hsl": {
    "h": 257.838,
    "s": 60.656,
    "l": 11.961
  },
  "oklch": {
    "l": 0.19544,
    "c": 0.0699,
    "h": 292.4
  },
  "luminance": 0.00667
}

Semantic roles & 50–950 ramp

primary

#170C31

secondary

#5A6D2C

accent

#E444B4

background

#F5F4F6

surface

#E9E7EB

border

#C5C3C6

text

#030106

muted

#78777A

Preview Lab

Preview with #170C31

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

Preview Lab → · Contrast checker → · Palette generator →