Colour

#421C4B

#421C4B
Violet
Dark
Nearest: Dark slateblue

#421C4B is a violet with RGB values 66, 28, 75 and HSL 289°, 46%, 20%. It is a dark colour, so white text on it reaches 14:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#421C4B#421C4B

HEX#421C4B

RGBrgb(66, 28, 75)

RGB (0–1)0.2588, 0.1098, 0.2941

RGB percentages25.9%, 11%, 29.4%

HSLhsl(288.5, 45.6%, 20.2%)

HSV / HSBhsv(288.5, 62.7%, 29.4%)

CMYK12%, 62.7%, 0%, 70.6%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer4,332,619

CSS custom property--colour: #421C4B;

Brightness & contrast

Relative luminance0.02497WCAG 2.x, 0 is black and 1 is white

Perceived brightness49 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 14.01:1

Contrast with white14.01:1WCAG normal text: AAA

Contrast with black1.5:1WCAG normal text: Fail

Greyscale equivalent#272727

Inverted#BDE3B4

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#12294Dno red cones; affects about 1% of men; ΔE 21.9 from the original

Deuteranopia#1F2D4Ano green cones; the most common form, about 1% of men; ΔE 22.9 from the original

Tritanopia#422330no blue cones; rare, and affects men and women equally; ΔE 21.7 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text14.01:1WCAG large text: AAA

Contrast with black, large text1.5:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 24.4 Midnight blue · ΔE 28.7 Rebecca purple · ΔE 33.9 Purple · ΔE 37.4 Black · ΔE 38.7 Indigo · ΔE 40.6

Nearest named CSS colourDark slateblue (#483D8B)ΔE 24.4, a distinctly different colour

Hue familyviolet

CSS keyword usableNo exact keyword

Colour harmonies

base +30°+90°+120°+180°+210°+240°+270°+330°

Complementary#254B1C

Analogous#2B1C4B, #4B1C3D

Triadic#4B421C, #1C4B42

Split complementary#3D4B1C, #1C4B2B

Tetradic#4B2A1C, #254B1C, #1C3D4B

Tints, shades & saturation

+40%+30%+20%+10%base -10%-20%-30%-40%

Lighter +40%#B66BC8

Lighter +30%#A446BA

Lighter +20%#833895

Lighter +10%#632A70

Darker −10%#210E26

Darker −20%#010001

Darker −30%#000000

Darker −40%#000000

More saturated +25%#4A0F58

Less saturated −25%#3A293E

Channel breakdown

R66

G28

B75

Red66 (25.9%)

Green28 (11%)

Blue75 (29.4%)

Hue288.51°

Saturation (HSL)45.63%

Lightness20.2%

Dominant channelBlue

Hex per channelR 42 · G 1C · B 4B

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

#421C4B

Colour values

Brightness & contrast

Colour vision & accessibility

Named colours

Colour harmonies

Tints, shades & saturation

Channel breakdown

Keep nerding

Harmonies

Lighter and darker

Similar named colours

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