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Recognised as Colour

#581EC1

  • #581EC1
  • Violet
  • Dark
  • Nearest: Blue violet

#581EC1 is a violet with RGB values 88, 30, 193 and HSL 261°, 73%, 44%. It is a dark colour, so white text on it reaches 8.9:1 contrast (AAA for normal text). The nearest named colour is Blue violet.

Colour values

#581EC1#581EC1
HEX#581EC1
RGBrgb(88, 30, 193)
RGB (0–1)0.3451, 0.1176, 0.7569
RGB percentages34.5%, 11.8%, 75.7%
HSLhsl(261.3, 73.1%, 43.7%)
HSV / HSBhsv(261.3, 84.5%, 75.7%)
CMYK54.4%, 84.5%, 0%, 24.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,775,041
CSS custom property--colour: #581EC1;

Brightness & contrast

Relative luminance0.06854WCAG 2.x, 0 is black and 1 is white
Perceived brightness84.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.86:1
Contrast with white8.86:1WCAG normal text: AAA
Contrast with black2.37:1WCAG normal text: Fail
Greyscale equivalent#363636
Inverted#A7E13E

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#004DC5no red cones; affects about 1% of men; ΔE 32.2 from the original
Deuteranopia#0046BEno green cones; the most common form, about 1% of men; ΔE 30 from the original
Tritanopia#2D5173no blue cones; rare, and affects men and women equally; ΔE 79.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text8.86:1WCAG large text: AAA
Contrast with black, large text2.37:1WCAG large text: Fail

Named colours

Blue violet · ΔE 14.5Dark violet · ΔE 18.4Dark orchid · ΔE 18.6Dark blue · ΔE 19.9Medium blue · ΔE 20.4Navy · ΔE 24.1
Nearest named CSS colourBlue violet (#8A2BE2)ΔE 14.51, a distinctly different colour
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#87C11E
Analogous#1E36C1, #A91EC1
Triadic#C1581E, #1EC158
Split complementary#C1A91E, #36C11E
Tetradic#C11E36, #87C11E, #1EC1A9

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#CDB7F4
Lighter +30%#AE8BED
Lighter +20%#8F5FE6
Lighter +10%#7033DF
Darker −10%#441795
Darker −20%#301069
Darker −30%#1C093D
Darker −40%#070310
More saturated +25%#5002DD
Less saturated −25%#603AA5

Channel breakdown

R88
G30
B193
Red88 (34.5%)
Green30 (11.8%)
Blue193 (75.7%)
Hue261.35°
Saturation (HSL)73.09%
Lightness43.73%
Dominant channelBlue
Hex per channelR 58 · G 1E · B C1

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Every value on this page was computed from “581ec1” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.