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Recognised as Colour

#4D172C

  • #4D172C
  • Red
  • Dark
  • Nearest: Black

#4D172C is a red with RGB values 77, 23, 44 and HSL 337°, 54%, 20%. It is a dark colour, so white text on it reaches 14.2:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#4D172C#4D172C
HEX#4D172C
RGBrgb(77, 23, 44)
RGB (0–1)0.302, 0.0902, 0.1725
RGB percentages30.2%, 9%, 17.3%
HSLhsl(336.7, 54%, 19.6%)
HSV / HSBhsv(336.7, 70.1%, 30.2%)
CMYK0%, 70.1%, 42.9%, 69.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,052,204
CSS custom property--colour: #4D172C;

Brightness & contrast

Relative luminance0.02372WCAG 2.x, 0 is black and 1 is white
Perceived brightness48 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 14.24:1
Contrast with white14.24:1WCAG normal text: AAA
Contrast with black1.47:1WCAG normal text: Fail
Greyscale equivalent#242424
Inverted#B2E8D3

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#21242Dno red cones; affects about 1% of men; ΔE 27.3 from the original
Deuteranopia#2F2E2Bno green cones; the most common form, about 1% of men; ΔE 28 from the original
Tritanopia#54121Fno blue cones; rare, and affects men and women equally; ΔE 10.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text14.24:1WCAG large text: AAA
Contrast with black, large text1.47:1WCAG large text: Fail

Named colours

Black · ΔE 32.6Dim grey · ΔE 38.7Dark slate grey · ΔE 41.9Brown · ΔE 43Dark slateblue · ΔE 43.8Maroon · ΔE 44.3
Nearest named CSS colourBlack (#000000)ΔE 32.61, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#174D38
Analogous#4D1747, #4D1D17
Triadic#2C4D17, #172C4D
Split complementary#174D1D, #17474D
Tetradic#474D17, #174D38, #1D174D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D0608C
Lighter +30%#C33A6F
Lighter +20%#9C2E59
Lighter +10%#742342
Darker −10%#260B16
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#5A0A29
Less saturated −25%#41242F

Channel breakdown

R77
G23
B44
Red77 (30.2%)
Green23 (9%)
Blue44 (17.3%)
Hue336.67°
Saturation (HSL)54%
Lightness19.61%
Dominant channelRed
Hex per channelR 4D · G 17 · B 2C

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Every value on this page was computed from “4d172c” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.