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Recognised as Colour

#4D2129

  • #4D2129
  • Red
  • Dark
  • Nearest: Black

#4D2129 is a red with RGB values 77, 33, 41 and HSL 349°, 40%, 22%. It is a dark colour, so white text on it reaches 13.4:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#4D2129#4D2129
HEX#4D2129
RGBrgb(77, 33, 41)
RGB (0–1)0.302, 0.1294, 0.1608
RGB percentages30.2%, 12.9%, 16.1%
HSLhsl(349.1, 40%, 21.6%)
HSV / HSBhsv(349.1, 57.1%, 30.2%)
CMYK0%, 57.1%, 46.8%, 69.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,054,761
CSS custom property--colour: #4D2129;

Brightness & contrast

Relative luminance0.02826WCAG 2.x, 0 is black and 1 is white
Perceived brightness51 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 13.42:1
Contrast with white13.42:1WCAG normal text: AAA
Contrast with black1.57:1WCAG normal text: Fail
Greyscale equivalent#2B2B2B
Inverted#B2DED6

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#2A2929no red cones; affects about 1% of men; ΔE 21.9 from the original
Deuteranopia#353228no green cones; the most common form, about 1% of men; ΔE 22.6 from the original
Tritanopia#541C24no blue cones; rare, and affects men and women equally; ΔE 6.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text13.42:1WCAG large text: AAA
Contrast with black, large text1.57:1WCAG large text: Fail

Named colours

Black · ΔE 29.4Dim grey · ΔE 33.5Dark slate grey · ΔE 36.4Sienna · ΔE 40.3Gray · ΔE 40.8Saddle brown · ΔE 40.9
Nearest named CSS colourBlack (#000000)ΔE 29.42, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#214D45
Analogous#4D213F, #4D2F21
Triadic#294D21, #21294D
Split complementary#214D2F, #213F4D
Tetradic#3F4D21, #214D45, #2F214D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C47684
Lighter +30%#B55264
Lighter +20%#94404F
Lighter +10%#71303C
Darker −10%#291216
Darker −20%#060203
Darker −30%#000000
Darker −40%#000000
More saturated +25%#5B1320
Less saturated −25%#3F2F32

Channel breakdown

R77
G33
B41
Red77 (30.2%)
Green33 (12.9%)
Blue41 (16.1%)
Hue349.09°
Saturation (HSL)40%
Lightness21.57%
Dominant channelRed
Hex per channelR 4D · G 21 · B 29

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Every value on this page was computed from “4d2129” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.