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Recognised as Colour

#170C29

  • #170C29
  • Violet
  • Dark
  • Nearest: Black

#170C29 is a violet with RGB values 23, 12, 41 and HSL 263°, 55%, 10%. It is a dark colour, so white text on it reaches 18.7:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#170C29#170C29
HEX#170C29
RGBrgb(23, 12, 41)
RGB (0–1)0.0902, 0.0471, 0.1608
RGB percentages9%, 4.7%, 16.1%
HSLhsl(262.8, 54.7%, 10.4%)
HSV / HSBhsv(262.8, 70.7%, 16.1%)
CMYK43.9%, 70.7%, 0%, 83.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,510,441
CSS custom property--colour: #170C29;

Brightness & contrast

Relative luminance0.00605WCAG 2.x, 0 is black and 1 is white
Perceived brightness20.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 18.73:1
Contrast with white18.73:1WCAG normal text: AAA
Contrast with black1.12:1WCAG normal text: Fail
Greyscale equivalent#101010
Inverted#E8F3D6

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#02122Ano red cones; affects about 1% of men; ΔE 9.5 from the original
Deuteranopia#041228no green cones; the most common form, about 1% of men; ΔE 9.9 from the original
Tritanopia#131218no blue cones; rare, and affects men and women equally; ΔE 17.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text18.73:1WCAG large text: AAA
Contrast with black, large text1.12:1WCAG large text: Fail

Named colours

Black · ΔE 22Dark slate grey · ΔE 38Dark slateblue · ΔE 38Midnight blue · ΔE 39Dim grey · ΔE 44.4Slate grey · ΔE 50.1
Nearest named CSS colourBlack (#000000)ΔE 22.04, a distinctly different colour
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#1E290C
Analogous#0C1029, #250C29
Triadic#29170C, #0C2917
Split complementary#29260C, #0F290C
Tetradic#290C10, #1E290C, #0C2925

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#703BC6
Lighter +30%#592F9F
Lighter +20%#432378
Lighter +10%#2D1850
Darker −10%#010002
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#150530
Less saturated −25%#191322

Channel breakdown

R23
G12
B41
Red23 (9%)
Green12 (4.7%)
Blue41 (16.1%)
Hue262.76°
Saturation (HSL)54.72%
Lightness10.39%
Dominant channelBlue
Hex per channelR 17 · G 0C · B 29

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Every value on this page was computed from “170c29” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.