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Recognised as Colour

#491F20

  • #491F20
  • Red
  • Dark
  • Nearest: Black

#491F20 is a red with RGB values 73, 31, 32 and HSL 359°, 40%, 20%. It is a dark colour, so white text on it reaches 14:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#491F20#491F20
HEX#491F20
RGBrgb(73, 31, 32)
RGB (0–1)0.2863, 0.1216, 0.1255
RGB percentages28.6%, 12.2%, 12.5%
HSLhsl(358.6, 40.4%, 20.4%)
HSV / HSBhsv(358.6, 57.5%, 28.6%)
CMYK0%, 57.5%, 56.2%, 71.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,792,096
CSS custom property--colour: #491F20;

Brightness & contrast

Relative luminance0.02501WCAG 2.x, 0 is black and 1 is white
Perceived brightness47.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 14:1
Contrast with white14:1WCAG normal text: AAA
Contrast with black1.5:1WCAG normal text: Fail
Greyscale equivalent#282828
Inverted#B6E0DF

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#282720no red cones; affects about 1% of men; ΔE 21.7 from the original
Deuteranopia#332F1Fno green cones; the most common form, about 1% of men; ΔE 21.5 from the original
Tritanopia#501920no blue cones; rare, and affects men and women equally; ΔE 6.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text14:1WCAG large text: AAA
Contrast with black, large text1.5:1WCAG large text: Fail

Named colours

Black · ΔE 28.3Dim grey · ΔE 34.4Dark slate grey · ΔE 36.7Saddle brown · ΔE 38.1Sienna · ΔE 38.4Maroon · ΔE 41.1
Nearest named CSS colourBlack (#000000)ΔE 28.35, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#1F4948
Analogous#491F35, #49331F
Triadic#20491F, #1F2049
Split complementary#1F4933, #1F3549
Tetradic#35491F, #1F4948, #331F49

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C37173
Lighter +30%#B44D50
Lighter +20%#913D3F
Lighter +10%#6D2E30
Darker −10%#251010
Darker −20%#010101
Darker −30%#000000
Darker −40%#000000
More saturated +25%#561214
Less saturated −25%#3C2C2C

Channel breakdown

R73
G31
B32
Red73 (28.6%)
Green31 (12.2%)
Blue32 (12.5%)
Hue358.57°
Saturation (HSL)40.38%
Lightness20.39%
Dominant channelRed
Hex per channelR 49 · G 1F · B 20

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Every value on this page was computed from “491f20” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.