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Recognised as Colour

#42103D

  • #42103D
  • Magenta
  • Dark
  • Nearest: Dark slateblue

#42103D is a magenta with RGB values 66, 16, 61 and HSL 306°, 61%, 16%. It is a dark colour, so white text on it reaches 15.3:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#42103D#42103D
HEX#42103D
RGBrgb(66, 16, 61)
RGB (0–1)0.2588, 0.0627, 0.2392
RGB percentages25.9%, 6.3%, 23.9%
HSLhsl(306, 61%, 16.1%)
HSV / HSBhsv(306, 75.8%, 25.9%)
CMYK0%, 75.8%, 7.6%, 74.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,329,533
CSS custom property--colour: #42103D;

Brightness & contrast

Relative luminance0.01866WCAG 2.x, 0 is black and 1 is white
Perceived brightness43.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 15.29:1
Contrast with white15.29:1WCAG normal text: AAA
Contrast with black1.37:1WCAG normal text: Fail
Greyscale equivalent#1E1E1E
Inverted#BDEFC2

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0D213Eno red cones; affects about 1% of men; ΔE 26.8 from the original
Deuteranopia#1F283Cno green cones; the most common form, about 1% of men; ΔE 27.8 from the original
Tritanopia#451524no blue cones; rare, and affects men and women equally; ΔE 19.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text15.29:1WCAG large text: AAA
Contrast with black, large text1.37:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 30.4Midnight blue · ΔE 33Black · ΔE 37.4Rebecca purple · ΔE 37.8Purple · ΔE 38.1Indigo · ΔE 43
Nearest named CSS colourDark slateblue (#483D8B)ΔE 30.37, a distinctly different colour
Hue familymagenta
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#104215
Analogous#2E1042, #421024
Triadic#3D4210, #103D42
Split complementary#244210, #10422E
Tetradic#422E10, #104215, #102442

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D34BC6
Lighter +30%#BD2EAF
Lighter +20%#942489
Lighter +10%#6B1A63
Darker −10%#190617
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#4C0645
Less saturated −25%#381A35

Channel breakdown

R66
G16
B61
Red66 (25.9%)
Green16 (6.3%)
Blue61 (23.9%)
Hue306°
Saturation (HSL)60.98%
Lightness16.08%
Dominant channelRed
Hex per channelR 42 · G 10 · B 3D

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Every value on this page was computed from “42103d” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.