Colour

#631C80

#631C80
Violet
Dark
Nearest: Rebecca purple

#631C80 is a violet with RGB values 99, 28, 128 and HSL 283°, 64%, 31%. It is a dark colour, so white text on it reaches 10.5:1 contrast (AAA for normal text). The nearest named colour is Rebecca purple.

Colour values

#631C80#631C80

HEX#631C80

RGBrgb(99, 28, 128)

RGB (0–1)0.3882, 0.1098, 0.502

RGB percentages38.8%, 11%, 50.2%

HSLhsl(282.6, 64.1%, 30.6%)

HSV / HSBhsv(282.6, 78.1%, 50.2%)

CMYK22.7%, 78.1%, 0%, 49.8%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer6,495,360

CSS custom property--colour: #631C80;

Brightness & contrast

Relative luminance0.05042WCAG 2.x, 0 is black and 1 is white

Perceived brightness72.5 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 10.46:1

Contrast with white10.46:1WCAG normal text: AAA

Contrast with black2.01:1WCAG normal text: Fail

Greyscale equivalent#323232

Inverted#9CE37F

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#003C83no red cones; affects about 1% of men; ΔE 33.9 from the original

Deuteranopia#13417Eno green cones; the most common form, about 1% of men; ΔE 38.1 from the original

Tritanopia#60334Dno blue cones; rare, and affects men and women equally; ΔE 41.3 from the original

Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning

Contrast with white, large text10.46:1WCAG large text: AAA

Contrast with black, large text2.01:1WCAG large text: Fail

Named colours

Rebecca purple · ΔE 9.2 Purple · ΔE 13.3 Indigo · ΔE 14.3 Dark magenta · ΔE 16.8 Midnight blue · ΔE 20.5 Dark slateblue · ΔE 21.3

Nearest named CSS colourRebecca purple (#663399)ΔE 9.25, clearly different but related

Hue familyviolet

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#39801C

Analogous#311C80, #801C6B

Triadic#80631C, #1C8063

Split complementary#6B801C, #1C8031

Tetradic#80311C, #39801C, #1C6B80

Tints, shades & saturation

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

Lighter +40%#C884E4

Lighter +30%#B65ADB

Lighter +20%#A330D2

Lighter +10%#8325AA

Darker −10%#431356

Darker −20%#220A2C

Darker −30%#020102

Darker −40%#000000

More saturated +25%#6B0894

Less saturated −25%#5B306D

Channel breakdown

R99

G28

B128

Red99 (38.8%)

Green28 (11%)

Blue128 (50.2%)

Hue282.6°

Saturation (HSL)64.1%

Lightness30.59%

Dominant channelBlue

Hex per channelR 63 · G 1C · B 80

Keep nerding

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#631C80

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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