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Recognised as Colour

#57448F

  • #57448F
  • Violet
  • Dark
  • Nearest: Dark slateblue

#57448F is a violet with RGB values 87, 68, 143 and HSL 255°, 36%, 41%. It is a dark colour, so white text on it reaches 8:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#57448F#57448F
HEX#57448F
RGBrgb(87, 68, 143)
RGB (0–1)0.3412, 0.2667, 0.5608
RGB percentages34.1%, 26.7%, 56.1%
HSLhsl(255.2, 35.5%, 41.4%)
HSV / HSBhsv(255.2, 52.4%, 56.1%)
CMYK39.2%, 52.4%, 0%, 43.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,719,183
CSS custom property--colour: #57448F;

Brightness & contrast

Relative luminance0.08144WCAG 2.x, 0 is black and 1 is white
Perceived brightness85.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.99:1
Contrast with white7.99:1WCAG normal text: AAA
Contrast with black2.63:1WCAG normal text: Fail
Greyscale equivalent#4D4D4D
Inverted#A8BB70

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#265292no red cones; affects about 1% of men; ΔE 18.7 from the original
Deuteranopia#294F8Dno green cones; the most common form, about 1% of men; ΔE 18.2 from the original
Tritanopia#495363no blue cones; rare, and affects men and women equally; ΔE 38.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text7.99:1WCAG large text: AAA
Contrast with black, large text2.63:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 4.7Rebecca purple · ΔE 18.3Midnight blue · ΔE 21.9Slate blue · ΔE 23.8Medium purple · ΔE 25.6Royal blue · ΔE 29.6
Nearest named CSS colourDark slateblue (#483D8B)ΔE 4.71, a close match
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#7C8F44
Analogous#44568F, #7D448F
Triadic#8F5744, #448F57
Split complementary#8F7C44, #578F44
Tetradic#8F4456, #7C8F44, #448F7D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C7BFE0
Lighter +30%#A99CD0
Lighter +20%#8B79C0
Lighter +10%#6D57AF
Darker −10%#42346C
Darker −20%#2D234A
Darker −30%#181327
Darker −40%#030205
More saturated +25%#4A2AA9
Less saturated −25%#645E75

Channel breakdown

R87
G68
B143
Red87 (34.1%)
Green68 (26.7%)
Blue143 (56.1%)
Hue255.2°
Saturation (HSL)35.55%
Lightness41.37%
Dominant channelBlue
Hex per channelR 57 · G 44 · B 8F

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Every value on this page was computed from “57448f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.