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Recognised as Colour

#4C21CB

  • #4C21CB
  • Violet
  • Dark
  • Nearest: Blue violet

#4C21CB is a violet with RGB values 76, 33, 203 and HSL 255°, 72%, 46%. It is a dark colour, so white text on it reaches 8.8:1 contrast (AAA for normal text). The nearest named colour is Blue violet.

Colour values

#4C21CB#4C21CB
HEX#4C21CB
RGBrgb(76, 33, 203)
RGB (0–1)0.298, 0.1294, 0.7961
RGB percentages29.8%, 12.9%, 79.6%
HSLhsl(255.2, 72%, 46.3%)
HSV / HSBhsv(255.2, 83.7%, 79.6%)
CMYK62.6%, 83.7%, 0%, 20.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,989,387
CSS custom property--colour: #4C21CB;

Brightness & contrast

Relative luminance0.06936WCAG 2.x, 0 is black and 1 is white
Perceived brightness84 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.8:1
Contrast with white8.8:1WCAG normal text: AAA
Contrast with black2.39:1WCAG normal text: Fail
Greyscale equivalent#363636
Inverted#B3DE34

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0050CFno red cones; affects about 1% of men; ΔE 31.5 from the original
Deuteranopia#0045C8no green cones; the most common form, about 1% of men; ΔE 26.2 from the original
Tritanopia#005879no blue cones; rare, and affects men and women equally; ΔE 88.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text8.8:1WCAG large text: AAA
Contrast with black, large text2.39:1WCAG large text: Fail

Named colours

Blue violet · ΔE 14.7Medium blue · ΔE 15.6Dark violet · ΔE 19.7Dark blue · ΔE 22.3Dark orchid · ΔE 22.8Navy · ΔE 26.9
Nearest named CSS colourBlue violet (#8A2BE2)ΔE 14.72, a distinctly different colour
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#A0CB21
Analogous#214BCB, #A121CB
Triadic#CB4C21, #21CB4C
Split complementary#CBA121, #4BCB21
Tetradic#CB214B, #A0CB21, #21CBA1

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D0C3F5
Lighter +30%#AD97EE
Lighter +20%#8A6BE7
Lighter +10%#683FE0
Darker −10%#3C1A9F
Darker −20%#2B1373
Darker −30%#1B0C47
Darker −40%#0A041C
More saturated +25%#3D04E8
Less saturated −25%#5B3EAE

Channel breakdown

R76
G33
B203
Red76 (29.8%)
Green33 (12.9%)
Blue203 (79.6%)
Hue255.18°
Saturation (HSL)72.03%
Lightness46.27%
Dominant channelBlue
Hex per channelR 4C · G 21 · B CB

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Every value on this page was computed from “4c21cb” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.