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Recognised as Colour

#571B45

  • #571B45
  • Magenta
  • Dark
  • Nearest: Dark slateblue

#571B45 is a magenta with RGB values 87, 27, 69 and HSL 318°, 53%, 22%. It is a dark colour, so white text on it reaches 12.7:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#571B45#571B45
HEX#571B45
RGBrgb(87, 27, 69)
RGB (0–1)0.3412, 0.1059, 0.2706
RGB percentages34.1%, 10.6%, 27.1%
HSLhsl(318, 52.6%, 22.4%)
HSV / HSBhsv(318, 69%, 34.1%)
CMYK0%, 69%, 20.7%, 65.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,708,613
CSS custom property--colour: #571B45;

Brightness & contrast

Relative luminance0.0324WCAG 2.x, 0 is black and 1 is white
Perceived brightness56.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 12.74:1
Contrast with white12.74:1WCAG normal text: AAA
Contrast with black1.65:1WCAG normal text: Fail
Greyscale equivalent#2B2B2B
Inverted#A8E4BA

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#1F2C46no red cones; affects about 1% of men; ΔE 30.3 from the original
Deuteranopia#313644no green cones; the most common form, about 1% of men; ΔE 31.3 from the original
Tritanopia#5C1C2Dno blue cones; rare, and affects men and women equally; ΔE 17.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text12.74:1WCAG large text: AAA
Contrast with black, large text1.65:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 32.2Purple · ΔE 36.7Midnight blue · ΔE 37.7Rebecca purple · ΔE 38.3Black · ΔE 40.8Dark magenta · ΔE 41.5
Nearest named CSS colourDark slateblue (#483D8B)ΔE 32.15, a distinctly different colour
Hue familymagenta
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#1B572D
Analogous#4B1B57, #571B27
Triadic#45571B, #1B4557
Split complementary#27571B, #1B574B
Tetradic#574B1B, #1B572D, #1B2757

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D26CB3
Lighter +30%#C5469F
Lighter +20%#A53383
Lighter +10%#7E2764
Darker −10%#300F26
Darker −20%#090307
Darker −30%#000000
Darker −40%#000000
More saturated +25%#650D4B
Less saturated −25%#49293F

Channel breakdown

R87
G27
B69
Red87 (34.1%)
Green27 (10.6%)
Blue69 (27.1%)
Hue318°
Saturation (HSL)52.63%
Lightness22.35%
Dominant channelRed
Hex per channelR 57 · G 1B · B 45

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Every value on this page was computed from “571b45” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.