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Recognised as Colour

#400D3D

  • #400D3D
  • Magenta
  • Dark
  • Nearest: Dark slateblue

#400D3D is a magenta with RGB values 64, 13, 61 and HSL 304°, 66%, 15%. It is a dark colour, so white text on it reaches 15.6:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#400D3D#400D3D
HEX#400D3D
RGBrgb(64, 13, 61)
RGB (0–1)0.251, 0.051, 0.2392
RGB percentages25.1%, 5.1%, 23.9%
HSLhsl(303.5, 66.2%, 15.1%)
HSV / HSBhsv(303.5, 79.7%, 25.1%)
CMYK0%, 79.7%, 4.7%, 74.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,197,693
CSS custom property--colour: #400D3D;

Brightness & contrast

Relative luminance0.01715WCAG 2.x, 0 is black and 1 is white
Perceived brightness41.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 15.64:1
Contrast with white15.64:1WCAG normal text: AAA
Contrast with black1.34:1WCAG normal text: Fail
Greyscale equivalent#1B1B1B
Inverted#BFF2C2

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#081F3Eno red cones; affects about 1% of men; ΔE 26.9 from the original
Deuteranopia#1C263Cno green cones; the most common form, about 1% of men; ΔE 28 from the original
Tritanopia#431323no blue cones; rare, and affects men and women equally; ΔE 20.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text15.64:1WCAG large text: AAA
Contrast with black, large text1.34:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 29.8Midnight blue · ΔE 31.7Rebecca purple · ΔE 36.8Purple · ΔE 37.2Black · ΔE 38.3Indigo · ΔE 41.5
Nearest named CSS colourDark slateblue (#483D8B)ΔE 29.82, a distinctly different colour
Hue familymagenta
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#0D4010
Analogous#290D40, #400D24
Triadic#3D400D, #0D3D40
Split complementary#24400D, #0D4029
Tetradic#40290D, #0D4010, #0D2440

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D841CF
Lighter +30%#BF27B6
Lighter +20%#951E8E
Lighter +10%#6A1665
Darker −10%#160415
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#4A0345
Less saturated −25%#361735

Channel breakdown

R64
G13
B61
Red64 (25.1%)
Green13 (5.1%)
Blue61 (23.9%)
Hue303.53°
Saturation (HSL)66.23%
Lightness15.1%
Dominant channelRed
Hex per channelR 40 · G 0D · B 3D

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Every value on this page was computed from “400d3d” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.