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Colour

#170F19

  • #170F19
  • Violet
  • Dark
  • Nearest: Black

#170F19 is a violet with RGB values 23, 15, 25 and HSL 288°, 25%, 8%. It is a dark colour, so white text on it reaches 18.8:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#170F19#170F19
HEX#170F19
RGBrgb(23, 15, 25)
RGB (0–1)0.0902, 0.0588, 0.098
RGB percentages9%, 5.9%, 9.8%
HSLhsl(288, 25%, 7.8%)
HSV / HSBhsv(288, 40%, 9.8%)
CMYK8%, 40%, 0%, 90.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,511,193
CSS custom property--colour: #170F19;

Brightness & contrast

Relative luminance0.00594WCAG 2.x, 0 is black and 1 is white
Perceived brightness19 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 18.77:1
Contrast with white18.77:1WCAG normal text: AAA
Contrast with black1.12:1WCAG normal text: Fail
Greyscale equivalent#111111
Inverted#E8F0E6

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0E1119no red cones; affects about 1% of men; ΔE 4.7 from the original
Deuteranopia#101219no green cones; the most common form, about 1% of men; ΔE 4.6 from the original
Tritanopia#171013no blue cones; rare, and affects men and women equally; ΔE 4.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text18.77:1WCAG large text: AAA
Contrast with black, large text1.12:1WCAG large text: Fail

Named colours

Black · ΔE 9.2Dark slate grey · ΔE 31.1Dim grey · ΔE 39.8Slate grey · ΔE 48.4Gray · ΔE 48.8Dark slateblue · ΔE 49.4
Nearest named CSS colourBlack (#000000)ΔE 9.19, clearly different but related
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#11190F
Analogous#120F19, #190F16
Triadic#19170F, #0F1917
Split complementary#16190F, #0F1912
Tetradic#19120F, #11190F, #0F1619

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#8C5C99
Lighter +30%#6F4879
Lighter +20%#523559
Lighter +10%#342239
Darker −10%#000000
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#1A0A1E
Less saturated −25%#141414

Channel breakdown

R23
G15
B25
Red23 (9%)
Green15 (5.9%)
Blue25 (9.8%)
Hue288°
Saturation (HSL)25%
Lightness7.84%
Dominant channelBlue
Hex per channelR 17 · G 0F · B 19

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Every value on this page was computed from “170f19” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.