#170633#170633

#170633 is a very dark, moderate violet. Relative luminance 0.006; OKLCH L 18.6% C 0.083 H 294.5°. Best body text is #FFFFFF at 18.92:1 contrast (WCAG AA passes).

Color values

HEX	#170633
RGB	rgb(23, 6, 51)
HSL	hsl(263, 79%, 11%)
HSV	hsv(263, 88%, 20%)
CMYK	cmyk(54.9%, 88.2%, 0%, 80%)
CIE-LAB	lab(4.98, 19.70, -25.44)
CIE-LCH	lch(4.98, 32.18, 307.75°)
OKLab	oklab(18.65% 0.0343 -0.0753)
OKLCH	oklch(18.65% 0.083 294.5)
XYZ	xyz(1.0159, 0.5514, 3.1842)
Luminance	0.0055 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#170633 #223306

analogous

#060B33 #170633 #2D0633

triadic

#170633 #331706 #063317

tetradic

#170633 #33060B #223306 #06332D

square

#170633 #33060B #223306 #06332D

split-complementary

#170633 #332D06 #0B3306

monochromatic

#0C031B #0C031B #170633 #300C6A #4813A1

Accessibility & contrast

On white

18.92

#170633 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.11

#170633 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #170633

18.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##170633	#FFFFFF	#000000	##FFFFFF
##170633	1.00	18.92	1.11	18.92
#FFFFFF	18.92	1.00	21.00	1.00
#000000	1.11	21.00	1.00	21.00
##FFFFFF	18.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001134

Deuteranopia (green-blind)

#001032

Tritanopia (blue-blind)

#0F121C

Achromatopsia (no color)

#111111

Design tokens & code

CSS

--color: #170633;
/* rgb */ color: rgb(23, 6, 51);
/* oklch */ color: oklch(18.6% 0.083 294.5);

Tailwind

colors: {
  custom: {
    50: '#57486b',
    500: '#170633',
    950: '#000000',
  },
}

SCSS

$custom: #170633;
$custom-light: #57486b;
$custom-dark: #000000;

JSON

{
  "hex": "#170633",
  "rgb": {
    "r": 23,
    "g": 6,
    "b": 51
  },
  "hsl": {
    "h": 262.667,
    "s": 78.947,
    "l": 11.176
  },
  "oklch": {
    "l": 0.18649,
    "c": 0.08279,
    "h": 294.5
  },
  "luminance": 0.00551
}

Semantic roles & 50–950 ramp

primary

#170633

secondary

#547421

accent

#F532AC

background

#F5F4F6

surface

#E9E6EB

border

#C5C2C6

text

#030006

muted

#78777A

Preview Lab

Preview with #170633

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

Preview Lab → · Contrast checker → · Palette generator →