Colour

#631FD5

#631FD5
Violet
Dark
Nearest: Blue violet

#631FD5 is a violet with RGB values 99, 31, 213 and HSL 262°, 75%, 48%. It is a dark colour, so white text on it reaches 7.8:1 contrast (AAA for normal text). The nearest named colour is Blue violet.

Colour values

#631FD5#631FD5

HEX#631FD5

RGBrgb(99, 31, 213)

RGB (0–1)0.3882, 0.1216, 0.8353

RGB percentages38.8%, 12.2%, 83.5%

HSLhsl(262.4, 74.6%, 47.8%)

HSV / HSBhsv(262.4, 85.4%, 83.5%)

CMYK53.5%, 85.4%, 0%, 16.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer6,496,213

CSS custom property--colour: #631FD5;

Brightness & contrast

Relative luminance0.08437WCAG 2.x, 0 is black and 1 is white

Perceived brightness93.1 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 7.81:1

Contrast with white7.81:1WCAG normal text: AAA

Contrast with black2.69:1WCAG normal text: Fail

Greyscale equivalent#3B3B3B

Inverted#9CE02A

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#0055DAno red cones; affects about 1% of men; ΔE 35 from the original

Deuteranopia#004ED2no green cones; the most common form, about 1% of men; ΔE 33.4 from the original

Tritanopia#365A7Fno blue cones; rare, and affects men and women equally; ΔE 86.7 from the original

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

Contrast with white, large text7.81:1WCAG large text: AAA

Contrast with black, large text2.69:1WCAG large text: Fail

Named colours

Blue violet · ΔE 9.6 Dark violet · ΔE 14.6 Medium blue · ΔE 15.6 Dark orchid · ΔE 21.2 Dark blue · ΔE 27.6 Blue · ΔE 31.4

Nearest named CSS colourBlue violet (#8A2BE2)ΔE 9.55, clearly different but related

Hue familyviolet

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#91D51F

Analogous#1F36D5, #BE1FD5

Triadic#D5631F, #1FD563

Split complementary#D5BE1F, #36D51F

Tetradic#D51F36, #91D51F, #1FD5BE

Tints, shades & saturation

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

Lighter +40%#DAC9F7

Lighter +30%#BC9CF1

Lighter +20%#9E70EA

Lighter +10%#7F43E4

Darker −10%#4E19A8

Darker −20%#3A127C

Darker −30%#250C4F

Darker −40%#100523

More saturated +25%#5B00F4

Less saturated −25%#6B3EB7

Channel breakdown

R99

G31

B213

Red99 (38.8%)

Green31 (12.2%)

Blue213 (83.5%)

Hue262.42°

Saturation (HSL)74.59%

Lightness47.84%

Dominant channelBlue

Hex per channelR 63 · G 1F · B D5

Keep nerding

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

#631FD5

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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