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Recognised as Colour

#1A171E

  • #1A171E
  • Violet
  • Dark
  • Nearest: Black

#1A171E is a violet with RGB values 26, 23, 30 and HSL 266°, 13%, 10%. It is a dark colour, so white text on it reaches 17.7:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#1A171E#1A171E
HEX#1A171E
RGBrgb(26, 23, 30)
RGB (0–1)0.102, 0.0902, 0.1176
RGB percentages10.2%, 9%, 11.8%
HSLhsl(265.7, 13.2%, 10.4%)
HSV / HSBhsv(265.7, 23.3%, 11.8%)
CMYK13.3%, 23.3%, 0%, 88.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,709,854
CSS custom property--colour: #1A171E;

Brightness & contrast

Relative luminance0.00926WCAG 2.x, 0 is black and 1 is white
Perceived brightness24.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 17.72:1
Contrast with white17.72:1WCAG normal text: AAA
Contrast with black1.19:1WCAG normal text: Fail
Greyscale equivalent#181818
Inverted#E5E8E1

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#16181Eno red cones; affects about 1% of men; ΔE 2.6 from the original
Deuteranopia#16181Eno green cones; the most common form, about 1% of men; ΔE 2.6 from the original
Tritanopia#191819no blue cones; rare, and affects men and women equally; ΔE 4.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text17.72:1WCAG large text: AAA
Contrast with black, large text1.19:1WCAG large text: Fail

Named colours

Black · ΔE 10Dark slate grey · ΔE 27.4Dim grey · ΔE 36.5Slate grey · ΔE 45.2Gray · ΔE 45.6Light slate grey · ΔE 48.4
Nearest named CSS colourBlack (#000000)ΔE 10, clearly different but related
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#1B1E17
Analogous#17171E, #1E171E
Triadic#1E1A17, #171E1A
Split complementary#1E1D17, #171E17
Tetradic#1E1717, #1B1E17, #171E1E

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#7E7091
Lighter +30%#655975
Lighter +20%#4C4358
Lighter +10%#332D3B
Darker −10%#010101
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#191025
Less saturated −25%#1A1A1A

Channel breakdown

R26
G23
B30
Red26 (10.2%)
Green23 (9%)
Blue30 (11.8%)
Hue265.71°
Saturation (HSL)13.21%
Lightness10.39%
Dominant channelBlue
Hex per channelR 1A · G 17 · B 1E

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Every value on this page was computed from “1a171e” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.