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Recognised as Colour

#4A237A

  • #4A237A
  • Violet
  • Dark
  • Nearest: Rebecca purple

#4A237A is a violet with RGB values 74, 35, 122 and HSL 267°, 55%, 31%. It is a dark colour, so white text on it reaches 11.6:1 contrast (AAA for normal text). The nearest named colour is Rebecca purple.

Colour values

#4A237A#4A237A
HEX#4A237A
RGBrgb(74, 35, 122)
RGB (0–1)0.2902, 0.1373, 0.4784
RGB percentages29%, 13.7%, 47.8%
HSLhsl(266.9, 55.4%, 30.8%)
HSV / HSBhsv(266.9, 71.3%, 47.8%)
CMYK39.3%, 71.3%, 0%, 52.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,858,746
CSS custom property--colour: #4A237A;

Brightness & contrast

Relative luminance0.04063WCAG 2.x, 0 is black and 1 is white
Perceived brightness63.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11.59:1
Contrast with white11.59:1WCAG normal text: AAA
Contrast with black1.81:1WCAG normal text: Fail
Greyscale equivalent#323232
Inverted#B5DC85

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#00397Dno red cones; affects about 1% of men; ΔE 24.3 from the original
Deuteranopia#003878no green cones; the most common form, about 1% of men; ΔE 25.8 from the original
Tritanopia#3F384Bno blue cones; rare, and affects men and women equally; ΔE 43.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text11.59:1WCAG large text: AAA
Contrast with black, large text1.81:1WCAG large text: Fail

Named colours

Rebecca purple · ΔE 11.6Midnight blue · ΔE 11.9Dark slateblue · ΔE 13Indigo · ΔE 18.4Purple · ΔE 23.5Slate blue · ΔE 26.3
Nearest named CSS colourRebecca purple (#663399)ΔE 11.64, a distinctly different colour
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#537A23
Analogous#23287A, #76237A
Triadic#7A4A23, #237A4A
Split complementary#7A7523, #287A23
Tetradic#7A2328, #537A23, #237A76

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#B08BDE
Lighter +30%#9564D2
Lighter +20%#7A3CC7
Lighter +10%#622EA2
Darker −10%#321852
Darker −20%#1A0C2B
Darker −30%#020103
Darker −40%#000000
More saturated +25%#480F8E
Less saturated −25%#4C3766

Channel breakdown

R74
G35
B122
Red74 (29%)
Green35 (13.7%)
Blue122 (47.8%)
Hue266.9°
Saturation (HSL)55.41%
Lightness30.78%
Dominant channelBlue
Hex per channelR 4A · G 23 · B 7A

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Every value on this page was computed from “4a237a” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.