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Colour

#4A2528

  • #4A2528
  • Red
  • Dark
  • Nearest: Black

#4A2528 is a red with RGB values 74, 37, 40 and HSL 355°, 33%, 22%. It is a dark colour, so white text on it reaches 13.2:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#4A2528#4A2528
HEX#4A2528
RGBrgb(74, 37, 40)
RGB (0–1)0.2902, 0.1451, 0.1569
RGB percentages29%, 14.5%, 15.7%
HSLhsl(355.1, 33.3%, 21.8%)
HSV / HSBhsv(355.1, 50%, 29%)
CMYK0%, 50%, 45.9%, 71%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,859,176
CSS custom property--colour: #4A2528;

Brightness & contrast

Relative luminance0.02932WCAG 2.x, 0 is black and 1 is white
Perceived brightness51.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 13.24:1
Contrast with white13.24:1WCAG normal text: AAA
Contrast with black1.59:1WCAG normal text: Fail
Greyscale equivalent#2D2D2D
Inverted#B5DAD7

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#2C2B28no red cones; affects about 1% of men; ΔE 18.6 from the original
Deuteranopia#353327no green cones; the most common form, about 1% of men; ΔE 19.5 from the original
Tritanopia#502126no blue cones; rare, and affects men and women equally; ΔE 5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text13.24:1WCAG large text: AAA
Contrast with black, large text1.59:1WCAG large text: Fail

Named colours

Black · ΔE 27.2Dim grey · ΔE 31Dark slate grey · ΔE 33.1Gray · ΔE 38.7Sienna · ΔE 40Saddle brown · ΔE 40.3
Nearest named CSS colourBlack (#000000)ΔE 27.24, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#254A47
Analogous#4A253A, #4A3525
Triadic#284A25, #25284A
Split complementary#254A35, #253A4A
Tetradic#3A4A25, #254A47, #35254A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#BE7D82
Lighter +30%#AD5B62
Lighter +20%#8E474D
Lighter +10%#6C363A
Darker −10%#281416
Darker −20%#060303
Darker −30%#000000
Darker −40%#000000
More saturated +25%#58171C
Less saturated −25%#3C3334

Channel breakdown

R74
G37
B40
Red74 (29%)
Green37 (14.5%)
Blue40 (15.7%)
Hue355.14°
Saturation (HSL)33.33%
Lightness21.76%
Dominant channelRed
Hex per channelR 4A · G 25 · B 28

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Every value on this page was computed from “4a2528” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.