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Recognised as Colour

#A638F4

  • #A638F4
  • Violet
  • Dark
  • Nearest: Blue violet

#A638F4 is a violet with RGB values 166, 56, 244 and HSL 275°, 90%, 59%. It is a dark colour, so white text on it reaches 4.7:1 contrast (AA for normal text). The nearest named colour is Blue violet.

Colour values

#A638F4#A638F4
HEX#A638F4
RGBrgb(166, 56, 244)
RGB (0–1)0.651, 0.2196, 0.9569
RGB percentages65.1%, 22%, 95.7%
HSLhsl(275.1, 89.5%, 58.8%)
HSV / HSBhsv(275.1, 77%, 95.7%)
CMYK32%, 77%, 0%, 4.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer10,893,556
CSS custom property--colour: #A638F4;

Brightness & contrast

Relative luminance0.17467WCAG 2.x, 0 is black and 1 is white
Perceived brightness129.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.67:1
Contrast with white4.67:1WCAG normal text: AA
Contrast with black4.49:1WCAG normal text: Fail
Greyscale equivalent#5D5D5D
Inverted#59C70B

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0071F9no red cones; affects about 1% of men; ΔE 47.7 from the original
Deuteranopia#0075F0no green cones; the most common form, about 1% of men; ΔE 53.9 from the original
Tritanopia#986996no blue cones; rare, and affects men and women equally; ΔE 73.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.67:1WCAG large text: AAA
Contrast with black, large text4.49:1WCAG large text: AA

Named colours

Blue violet · ΔE 7.7Dark violet · ΔE 10.3Dark orchid · ΔE 17.1Fuchsia · ΔE 30.2Magenta · ΔE 30.2Medium blue · ΔE 30.3
Nearest named CSS colourBlue violet (#8A2BE2)ΔE 7.67, clearly different but related
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#86F438
Analogous#4838F4, #F438E4
Triadic#F4A638, #38F4A6
Split complementary#E4F438, #38F448
Tetradic#F44838, #86F438, #38E4F4

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FCF9FF
Lighter +30%#E7C9FC
Lighter +20%#D199F9
Lighter +10%#BC68F7
Darker −10%#8F0DEC
Darker −20%#720ABC
Darker −30%#55088B
Darker −40%#37055B
More saturated +25%#A82DFF
Less saturated −25%#A252DA

Channel breakdown

R166
G56
B244
Red166 (65.1%)
Green56 (22%)
Blue244 (95.7%)
Hue275.11°
Saturation (HSL)89.52%
Lightness58.82%
Dominant channelBlue
Hex per channelR A6 · G 38 · B F4

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Every value on this page was computed from “a638f4” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.