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Recognised as Colour

#4C2128

  • #4C2128
  • Red
  • Dark
  • Nearest: Black

#4C2128 is a red with RGB values 76, 33, 40 and HSL 350°, 39%, 21%. It is a dark colour, so white text on it reaches 13.5:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#4C2128#4C2128
HEX#4C2128
RGBrgb(76, 33, 40)
RGB (0–1)0.298, 0.1294, 0.1569
RGB percentages29.8%, 12.9%, 15.7%
HSLhsl(350.2, 39.4%, 21.4%)
HSV / HSBhsv(350.2, 56.6%, 29.8%)
CMYK0%, 56.6%, 47.4%, 70.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,989,224
CSS custom property--colour: #4C2128;

Brightness & contrast

Relative luminance0.02777WCAG 2.x, 0 is black and 1 is white
Perceived brightness50.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 13.5:1
Contrast with white13.5:1WCAG normal text: AAA
Contrast with black1.56:1WCAG normal text: Fail
Greyscale equivalent#2B2B2B
Inverted#B3DED7

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#2A2928no red cones; affects about 1% of men; ΔE 21.5 from the original
Deuteranopia#343227no green cones; the most common form, about 1% of men; ΔE 22.7 from the original
Tritanopia#531C24no blue cones; rare, and affects men and women equally; ΔE 6.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text13.5:1WCAG large text: AAA
Contrast with black, large text1.56:1WCAG large text: Fail

Named colours

Black · ΔE 28.9Dim grey · ΔE 33.3Dark slate grey · ΔE 36.1Sienna · ΔE 40.2Gray · ΔE 40.7Saddle brown · ΔE 40.7
Nearest named CSS colourBlack (#000000)ΔE 28.94, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#214C45
Analogous#4C213E, #4C3021
Triadic#284C21, #21284C
Split complementary#214C30, #213E4C
Tetradic#3D4C21, #214C45, #2F214C

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C37682
Lighter +30%#B45262
Lighter +20%#93404D
Lighter +10%#70303B
Darker −10%#281215
Darker −20%#050203
Darker −30%#000000
Darker −40%#000000
More saturated +25%#5A131F
Less saturated −25%#3E2F31

Channel breakdown

R76
G33
B40
Red76 (29.8%)
Green33 (12.9%)
Blue40 (15.7%)
Hue350.23°
Saturation (HSL)39.45%
Lightness21.37%
Dominant channelRed
Hex per channelR 4C · G 21 · B 28

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Every value on this page was computed from “4c2128” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.