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Recognised as Colour

#4D1A33

  • #4D1A33
  • Red
  • Dark
  • Nearest: Black

#4D1A33 is a red with RGB values 77, 26, 51 and HSL 331°, 50%, 20%. It is a dark colour, so white text on it reaches 13.9:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#4D1A33#4D1A33
HEX#4D1A33
RGBrgb(77, 26, 51)
RGB (0–1)0.302, 0.102, 0.2
RGB percentages30.2%, 10.2%, 20%
HSLhsl(330.6, 49.5%, 20.2%)
HSV / HSBhsv(330.6, 66.2%, 30.2%)
CMYK0%, 66.2%, 33.8%, 69.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,052,979
CSS custom property--colour: #4D1A33;

Brightness & contrast

Relative luminance0.02556WCAG 2.x, 0 is black and 1 is white
Perceived brightness49.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 13.9:1
Contrast with white13.9:1WCAG normal text: AAA
Contrast with black1.51:1WCAG normal text: Fail
Greyscale equivalent#272727
Inverted#B2E5CC

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#212734no red cones; affects about 1% of men; ΔE 26.5 from the original
Deuteranopia#2F3032no green cones; the most common form, about 1% of men; ΔE 27.2 from the original
Tritanopia#531724no blue cones; rare, and affects men and women equally; ΔE 11.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text13.9:1WCAG large text: AAA
Contrast with black, large text1.51:1WCAG large text: Fail

Named colours

Black · ΔE 32.8Dim grey · ΔE 37.9Dark slateblue · ΔE 40Dark slate grey · ΔE 40.9Gray · ΔE 44.7Brown · ΔE 45.7
Nearest named CSS colourBlack (#000000)ΔE 32.84, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#1A4D34
Analogous#4D1A4D, #4D1A1A
Triadic#334D1A, #1A334D
Split complementary#1A4D1A, #1A4D4D
Tetradic#4D4D1A, #1A4D34, #1A1A4D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#CC6799
Lighter +30%#BF417F
Lighter +20%#993466
Lighter +10%#73274C
Darker −10%#270D1A
Darker −20%#010000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#5A0D33
Less saturated −25%#402733

Channel breakdown

R77
G26
B51
Red77 (30.2%)
Green26 (10.2%)
Blue51 (20%)
Hue330.59°
Saturation (HSL)49.51%
Lightness20.2%
Dominant channelRed
Hex per channelR 4D · G 1A · B 33

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Every value on this page was computed from “4d1a33” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.