#170631#170631

#170631 is a very dark, moderate violet. Relative luminance 0.005; OKLCH L 18.4% C 0.080 H 295.9°. Best body text is #FFFFFF at 18.97:1 contrast (WCAG AA passes).

Color values

HEX	#170631
RGB	rgb(23, 6, 49)
HSL	hsl(264, 78%, 11%)
HSV	hsv(264, 88%, 19%)
CMYK	cmyk(53.1%, 87.8%, 0%, 80.8%)
CIE-LAB	lab(4.82, 18.79, -24.21)
CIE-LCH	lch(4.82, 30.65, 307.82°)
OKLab	oklab(18.43% 0.0349 -0.072)
OKLCH	oklch(18.43% 0.08 295.9)
XYZ	xyz(0.9727, 0.5341, 2.9570)
Luminance	0.0053 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight

#03012D

ΔE00 5.32

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#170631 #203106

analogous

#060A31 #170631 #2C0631

triadic

#170631 #311706 #063117

tetradic

#170631 #31060A #203106 #06312C

square

#170631 #31060A #203106 #06312C

split-complementary

#170631 #312C06 #0A3106

monochromatic

#0D031B #0D031B #170631 #310D68 #4A139E

Accessibility & contrast

On white

18.97

#170631 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.11

#170631 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #170631

18.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##170631	#FFFFFF	#000000	##FFFFFF
##170631	1.00	18.97	1.11	18.97
#FFFFFF	18.97	1.00	21.00	1.00
#000000	1.11	21.00	1.00	21.00
##FFFFFF	18.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001132

Deuteranopia (green-blind)

#001030

Tritanopia (blue-blind)

#10111A

Achromatopsia (no color)

#101010

Design tokens & code

CSS

--color: #170631;
/* rgb */ color: rgb(23, 6, 49);
/* oklch */ color: oklch(18.4% 0.080 295.9);

Tailwind

colors: {
  custom: {
    50: '#564869',
    500: '#170631',
    950: '#000000',
  },
}

SCSS

$custom: #170631;
$custom-light: #564869;
$custom-dark: #000000;

JSON

{
  "hex": "#170631",
  "rgb": {
    "r": 23,
    "g": 6,
    "b": 49
  },
  "hsl": {
    "h": 263.721,
    "s": 78.182,
    "l": 10.784
  },
  "oklch": {
    "l": 0.1843,
    "c": 0.08006,
    "h": 295.9
  },
  "luminance": 0.00534
}

Semantic roles & 50–950 ramp

primary

#170631

secondary

#527221

accent

#F533A8

background

#F5F4F6

surface

#E9E6EB

border

#C5C2C6

text

#030006

muted

#78777A

Preview Lab

Preview with #170631

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

Preview Lab → · Contrast checker → · Palette generator →