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Recognised as Colour

#40177E

  • #40177E
  • Violet
  • Dark
  • Nearest: Indigo

#40177E is a violet with RGB values 64, 23, 126 and HSL 264°, 69%, 29%. It is a dark colour, so white text on it reaches 12.8:1 contrast (AAA for normal text). The nearest named colour is Indigo.

Colour values

#40177E#40177E
HEX#40177E
RGBrgb(64, 23, 126)
RGB (0–1)0.251, 0.0902, 0.4941
RGB percentages25.1%, 9%, 49.4%
HSLhsl(263.9, 69.1%, 29.2%)
HSV / HSBhsv(263.9, 81.7%, 49.4%)
CMYK49.2%, 81.7%, 0%, 50.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,200,318
CSS custom property--colour: #40177E;

Brightness & contrast

Relative luminance0.03209WCAG 2.x, 0 is black and 1 is white
Perceived brightness57.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 12.79:1
Contrast with white12.79:1WCAG normal text: AAA
Contrast with black1.64:1WCAG normal text: Fail
Greyscale equivalent#272727
Inverted#BFE881

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#003381no red cones; affects about 1% of men; ΔE 23.7 from the original
Deuteranopia#00307Cno green cones; the most common form, about 1% of men; ΔE 23.7 from the original
Tritanopia#2D344Bno blue cones; rare, and affects men and women equally; ΔE 52.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text12.79:1WCAG large text: AAA
Contrast with black, large text1.64:1WCAG large text: Fail

Named colours

Indigo · ΔE 10Midnight blue · ΔE 11.7Rebecca purple · ΔE 12.4Navy · ΔE 17.3Dark slateblue · ΔE 20.7Dark blue · ΔE 21.1
Nearest named CSS colourIndigo (#4B0082)ΔE 9.97, clearly different but related
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#557E17
Analogous#17227E, #74177E
Triadic#7E4017, #177E40
Split complementary#7E7317, #227E17
Tetradic#7E1721, #557E17, #177E73

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A57AE7
Lighter +30%#884FDF
Lighter +20%#6C27D4
Lighter +10%#561FA9
Darker −10%#2A0F53
Darker −20%#140728
Darker −30%#000000
Darker −40%#000000
More saturated +25%#3C0491
Less saturated −25%#442A6B

Channel breakdown

R64
G23
B126
Red64 (25.1%)
Green23 (9%)
Blue126 (49.4%)
Hue263.88°
Saturation (HSL)69.13%
Lightness29.22%
Dominant channelBlue
Hex per channelR 40 · G 17 · B 7E

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Every value on this page was computed from “40177e” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.