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Colour

#491A6B

  • #491A6B
  • Violet
  • Dark
  • Nearest: Midnight blue

#491A6B is a violet with RGB values 73, 26, 107 and HSL 275°, 61%, 26%. It is a dark colour, so white text on it reaches 12.8:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#491A6B#491A6B
HEX#491A6B
RGBrgb(73, 26, 107)
RGB (0–1)0.2863, 0.102, 0.4196
RGB percentages28.6%, 10.2%, 42%
HSLhsl(274.8, 60.9%, 26.1%)
HSV / HSBhsv(274.8, 75.7%, 42%)
CMYK31.8%, 75.7%, 0%, 58%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,790,891
CSS custom property--colour: #491A6B;

Brightness & contrast

Relative luminance0.03217WCAG 2.x, 0 is black and 1 is white
Perceived brightness57.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 12.78:1
Contrast with white12.78:1WCAG normal text: AAA
Contrast with black1.64:1WCAG normal text: Fail
Greyscale equivalent#2A2A2A
Inverted#B6E594

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#00316Dno red cones; affects about 1% of men; ΔE 26.1 from the original
Deuteranopia#003369no green cones; the most common form, about 1% of men; ΔE 29.4 from the original
Tritanopia#432D41no blue cones; rare, and affects men and women equally; ΔE 37.5 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text12.78:1WCAG large text: AAA
Contrast with black, large text1.64:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 14Dark slateblue · ΔE 15.7Rebecca purple · ΔE 16.1Indigo · ΔE 21Purple · ΔE 23.2Dark magenta · ΔE 27.7
Nearest named CSS colourMidnight blue (#191970)ΔE 13.99, a distinctly different colour
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#3C6B1A
Analogous#201A6B, #6B1A65
Triadic#6B491A, #1A6B49
Split complementary#656B1A, #1A6B20
Tetradic#6B201A, #3C6B1A, #1A656B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#B174DD
Lighter +30%#9A4BD3
Lighter +20%#812EBD
Lighter +10%#652494
Darker −10%#2D1042
Darker −20%#110619
Darker −30%#000000
Darker −40%#000000
More saturated +25%#4C097C
Less saturated −25%#462B5A

Channel breakdown

R73
G26
B107
Red73 (28.6%)
Green26 (10.2%)
Blue107 (42%)
Hue274.81°
Saturation (HSL)60.9%
Lightness26.08%
Dominant channelBlue
Hex per channelR 49 · G 1A · B 6B

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Every value on this page was computed from “491a6b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.