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Recognised as Colour

#17034A

  • #17034A
  • Violet
  • Dark
  • Nearest: Midnight blue

#17034A is a violet with RGB values 23, 3, 74 and HSL 257°, 92%, 15%. It is a dark colour, so white text on it reaches 18.3:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#17034A#17034A
HEX#17034A
RGBrgb(23, 3, 74)
RGB (0–1)0.0902, 0.0118, 0.2902
RGB percentages9%, 1.2%, 29%
HSLhsl(256.9, 92.2%, 15.1%)
HSV / HSBhsv(256.9, 95.9%, 29%)
CMYK68.9%, 95.9%, 0%, 71%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,508,170
CSS custom property--colour: #17034A;

Brightness & contrast

Relative luminance0.00742WCAG 2.x, 0 is black and 1 is white
Perceived brightness28.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 18.29:1
Contrast with white18.29:1WCAG normal text: AAA
Contrast with black1.15:1WCAG normal text: Fail
Greyscale equivalent#0C0C0C
Inverted#E8FCB5

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#00174Cno red cones; affects about 1% of men; ΔE 15.7 from the original
Deuteranopia#001249no green cones; the most common form, about 1% of men; ΔE 12.8 from the original
Tritanopia#001A28no blue cones; rare, and affects men and women equally; ΔE 43.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text18.29:1WCAG large text: AAA
Contrast with black, large text1.15:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 13.9Dark slateblue · ΔE 24.8Indigo · ΔE 28.7Rebecca purple · ΔE 29.9Navy · ΔE 31.1Dark blue · ΔE 36.3
Nearest named CSS colourMidnight blue (#191970)ΔE 13.89, a distinctly different colour
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#364A03
Analogous#03134A, #3A034A
Triadic#4A1703, #034A17
Split complementary#4A3A03, #134A03
Tetradic#4A0313, #364A03, #034A3A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#5E23F6
Lighter +30%#4509DD
Lighter +20%#3507AC
Lighter +10%#26057B
Darker −10%#080119
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#16004D
Less saturated −25%#1B0D40

Channel breakdown

R23
G3
B74
Red23 (9%)
Green3 (1.2%)
Blue74 (29%)
Hue256.9°
Saturation (HSL)92.21%
Lightness15.1%
Dominant channelBlue
Hex per channelR 17 · G 03 · B 4A

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Every value on this page was computed from “17034a” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.