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Recognised as Colour

#17496D

  • #17496D
  • Blue
  • Dark
  • Nearest: Dark slate grey

#17496D is a blue with RGB values 23, 73, 109 and HSL 205°, 65%, 26%. It is a dark colour, so white text on it reaches 9.5:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#17496D#17496D
HEX#17496D
RGBrgb(23, 73, 109)
RGB (0–1)0.0902, 0.2863, 0.4275
RGB percentages9%, 28.6%, 42.7%
HSLhsl(205.1, 65.2%, 25.9%)
HSV / HSBhsv(205.1, 78.9%, 42.7%)
CMYK78.9%, 33%, 0%, 57.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,526,125
CSS custom property--colour: #17496D;

Brightness & contrast

Relative luminance0.06051WCAG 2.x, 0 is black and 1 is white
Perceived brightness68.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.5:1
Contrast with white9.5:1WCAG normal text: AAA
Contrast with black2.21:1WCAG normal text: Fail
Greyscale equivalent#414141
Inverted#E8B692

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#384A6Fno red cones; affects about 1% of men; ΔE 7.6 from the original
Deuteranopia#2C426Cno green cones; the most common form, about 1% of men; ΔE 8.5 from the original
Tritanopia#005256no blue cones; rare, and affects men and women equally; ΔE 23.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text9.5:1WCAG large text: AAA
Contrast with black, large text2.21:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 23.6Steel blue · ΔE 23.9Slate grey · ΔE 27.7Dim grey · ΔE 29.7Light slate grey · ΔE 30.1Dark slateblue · ΔE 33.4
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 23.59, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#6D3B17
Analogous#176D66, #171E6D
Triadic#6D1749, #496D17
Split complementary#6D171E, #6D6617
Tetradic#66176D, #6D3B17, #1E6D17

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#6FB1E1
Lighter +30%#459AD8
Lighter +20%#2981C1
Lighter +10%#206597
Darker −10%#0E2D43
Darker −20%#051119
Darker −30%#000000
Darker −40%#000000
More saturated +25%#064C7E
Less saturated −25%#27465C

Channel breakdown

R23
G73
B109
Red23 (9%)
Green73 (28.6%)
Blue109 (42.7%)
Hue205.12°
Saturation (HSL)65.15%
Lightness25.88%
Dominant channelBlue
Hex per channelR 17 · G 49 · B 6D

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Every value on this page was computed from “17496d” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.