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Recognised as Colour

#170F29

  • #170F29
  • Violet
  • Dark
  • Nearest: Black

#170F29 is a violet with RGB values 23, 15, 41 and HSL 258°, 46%, 11%. It is a dark colour, so white text on it reaches 18.5:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#170F29#170F29
HEX#170F29
RGBrgb(23, 15, 41)
RGB (0–1)0.0902, 0.0588, 0.1608
RGB percentages9%, 5.9%, 16.1%
HSLhsl(258.5, 46.4%, 11%)
HSV / HSBhsv(258.5, 63.4%, 16.1%)
CMYK43.9%, 63.4%, 0%, 83.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,511,209
CSS custom property--colour: #170F29;

Brightness & contrast

Relative luminance0.00684WCAG 2.x, 0 is black and 1 is white
Perceived brightness22 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 18.47:1
Contrast with white18.47:1WCAG normal text: AAA
Contrast with black1.14:1WCAG normal text: Fail
Greyscale equivalent#131313
Inverted#E8F0D6

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#06142Ano red cones; affects about 1% of men; ΔE 8.2 from the original
Deuteranopia#071328no green cones; the most common form, about 1% of men; ΔE 8.2 from the original
Tritanopia#13141Ano blue cones; rare, and affects men and women equally; ΔE 15.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text18.47:1WCAG large text: AAA
Contrast with black, large text1.14:1WCAG large text: Fail

Named colours

Black · ΔE 20.5Dark slate grey · ΔE 36.1Dark slateblue · ΔE 38.8Midnight blue · ΔE 40.5Dim grey · ΔE 42.9Slate grey · ΔE 48.8
Nearest named CSS colourBlack (#000000)ΔE 20.51, a distinctly different colour
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#21290F
Analogous#0F1429, #240F29
Triadic#29170F, #0F2917
Split complementary#29240F, #14290F
Tetradic#290F14, #21290F, #0F2924

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#6C48BC
Lighter +30%#563899
Lighter +20%#412A74
Lighter +10%#2C1D4E
Darker −10%#020104
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#140830
Less saturated −25%#1A1622

Channel breakdown

R23
G15
B41
Red23 (9%)
Green15 (5.9%)
Blue41 (16.1%)
Hue258.46°
Saturation (HSL)46.43%
Lightness10.98%
Dominant channelBlue
Hex per channelR 17 · G 0F · B 29

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Every value on this page was computed from “170f29” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.