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Recognised as Colour

#451D9B

  • #451D9B
  • Violet
  • Dark
  • Nearest: Indigo

#451D9B is a violet with RGB values 69, 29, 155 and HSL 259°, 68%, 36%. It is a dark colour, so white text on it reaches 11:1 contrast (AAA for normal text). The nearest named colour is Indigo.

Colour values

#451D9B#451D9B
HEX#451D9B
RGBrgb(69, 29, 155)
RGB (0–1)0.2706, 0.1137, 0.6078
RGB percentages27.1%, 11.4%, 60.8%
HSLhsl(259, 68.5%, 36.1%)
HSV / HSBhsv(259, 81.3%, 60.8%)
CMYK55.5%, 81.3%, 0%, 39.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,529,563
CSS custom property--colour: #451D9B;

Brightness & contrast

Relative luminance0.0451WCAG 2.x, 0 is black and 1 is white
Perceived brightness68.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11.04:1
Contrast with white11.04:1WCAG normal text: AAA
Contrast with black1.9:1WCAG normal text: Fail
Greyscale equivalent#2F2F2F
Inverted#BAE264

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#003F9Eno red cones; affects about 1% of men; ΔE 26.4 from the original
Deuteranopia#003999no green cones; the most common form, about 1% of men; ΔE 24.1 from the original
Tritanopia#21425Dno blue cones; rare, and affects men and women equally; ΔE 65.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text11.04:1WCAG large text: AAA
Contrast with black, large text1.9:1WCAG large text: Fail

Named colours

Indigo · ΔE 9.7Navy · ΔE 12.9Dark blue · ΔE 13.2Rebecca purple · ΔE 16.7Midnight blue · ΔE 22.2Slate blue · ΔE 23.7
Nearest named CSS colourIndigo (#4B0082)ΔE 9.66, clearly different but related
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#739B1D
Analogous#1D349B, #841D9B
Triadic#9B451D, #1D9B45
Split complementary#9B841D, #349B1D
Tetradic#9B1D34, #739B1D, #1D9B84

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#B398EC
Lighter +30%#936DE4
Lighter +20%#7342DC
Lighter +10%#5825C6
Darker −10%#321570
Darker −20%#1F0D45
Darker −30%#0C051A
Darker −40%#000000
More saturated +25%#3D06B2
Less saturated −25%#4D3484

Channel breakdown

R69
G29
B155
Red69 (27.1%)
Green29 (11.4%)
Blue155 (60.8%)
Hue259.05°
Saturation (HSL)68.48%
Lightness36.08%
Dominant channelBlue
Hex per channelR 45 · G 1D · B 9B

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Every value on this page was computed from “451d9b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.