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Recognised as Colour

#BF644D

  • #BF644D
  • Red
  • Dark
  • Nearest: Sienna

#BF644D is a red with RGB values 191, 100, 77 and HSL 12°, 47%, 53%. It is a dark colour, so black text on it reaches 5.1:1 contrast (AA for normal text). The nearest named colour is Sienna.

Colour values

#BF644D#BF644D
HEX#BF644D
RGBrgb(191, 100, 77)
RGB (0–1)0.749, 0.3922, 0.302
RGB percentages74.9%, 39.2%, 30.2%
HSLhsl(12.1, 47.1%, 52.5%)
HSV / HSBhsv(12.1, 59.7%, 74.9%)
CMYK0%, 47.6%, 59.7%, 25.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer12,543,053
CSS custom property--colour: #BF644D;

Brightness & contrast

Relative luminance0.20727WCAG 2.x, 0 is black and 1 is white
Perceived brightness132.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.15:1
Contrast with white4.08:1WCAG normal text: Fail
Contrast with black5.15:1WCAG normal text: AA
Greyscale equivalent#767676
Inverted#409BB2

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#7B724Bno red cones; affects about 1% of men; ΔE 37.9 from the original
Deuteranopia#91854Bno green cones; the most common form, about 1% of men; ΔE 38.4 from the original
Tritanopia#D0545Eno blue cones; rare, and affects men and women equally; ΔE 18.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.08:1WCAG large text: AA
Contrast with black, large text5.15:1WCAG large text: AAA

Named colours

Sienna · ΔE 11.9Indian red · ΔE 12.8Salmon · ΔE 18.2Dark salmon · ΔE 18.3Light coral · ΔE 18.8Saddle brown · ΔE 20.7
Nearest named CSS colourSienna (#A0522D)ΔE 11.92, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#4DA8BF
Analogous#BF4D6F, #BF9D4D
Triadic#4DBF64, #644DBF
Split complementary#4DBF9D, #4D6FBF
Tetradic#6FBF4D, #4DA8BF, #9D4DBF

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F5E7E3
Lighter +30%#E7C6BE
Lighter +20%#DAA598
Lighter +10%#CC8573
Darker −10%#A04E39
Darker −20%#7A3C2C
Darker −30%#55291E
Darker −40%#2F1711
More saturated +25%#DD522F
Less saturated −25%#A1766B

Channel breakdown

R191
G100
B77
Red191 (74.9%)
Green100 (39.2%)
Blue77 (30.2%)
Hue12.11°
Saturation (HSL)47.11%
Lightness52.55%
Dominant channelRed
Hex per channelR BF · G 64 · B 4D

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Every value on this page was computed from “bf644d” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.