Recognised as Colour

#642F21

#642F21
Red
Dark
Nearest: Saddle brown

#642F21 is a red with RGB values 100, 47, 33 and HSL 13°, 50%, 26%. It is a dark colour, so white text on it reaches 10.7:1 contrast (AAA for normal text). The nearest named colour is Saddle brown.

Colour values

#642F21#642F21

HEX#642F21

RGBrgb(100, 47, 33)

RGB (0–1)0.3922, 0.1843, 0.1294

RGB percentages39.2%, 18.4%, 12.9%

HSLhsl(12.5, 50.4%, 26.1%)

HSV / HSBhsv(12.5, 67%, 39.2%)

CMYK0%, 53%, 67%, 60.8%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer6,565,665

CSS custom property--colour: #642F21;

Brightness & contrast

Relative luminance0.04852WCAG 2.x, 0 is black and 1 is white

Perceived brightness66.4 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 10.66:1

Contrast with white10.66:1WCAG normal text: AAA

Contrast with black1.97:1WCAG normal text: Fail

Greyscale equivalent#393939

Inverted#9BD0DE

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#3D3720no red cones; affects about 1% of men; ΔE 24.6 from the original

Deuteranopia#4A4320no green cones; the most common form, about 1% of men; ΔE 25.3 from the original

Tritanopia#6E252Cno blue cones; rare, and affects men and women equally; ΔE 12.5 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text10.66:1WCAG large text: AAA

Contrast with black, large text1.97:1WCAG large text: Fail

Named colours

Saddle brown · ΔE 24.2 Sienna · ΔE 24.5 Brown · ΔE 31.2 Maroon · ΔE 31.3 Indian red · ΔE 35.1 Dim grey · ΔE 35.1

Nearest named CSS colourSaddle brown (#8B4513)ΔE 24.15, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

base +30°+90°+120°+180°+210°+240°+270°+330°

Complementary#215664

Analogous#642135, #645121

Triadic#21642F, #2F2164

Split complementary#216451, #213464

Tetradic#346421, #215664, #512164

Tints, shades & saturation

+40%+30%+20%+10%base -10%-20%-30%-40%

Lighter +40%#D48F7D

Lighter +30%#C76E57

Lighter +20%#B1533A

Lighter +10%#8A412E

Darker −10%#3E1D14

Darker −20%#170B08

Darker −30%#000000

Darker −40%#000000

More saturated +25%#752510

Less saturated −25%#533932

Channel breakdown

R100

G47

B33

Red100 (39.2%)

Green47 (18.4%)

Blue33 (12.9%)

Hue12.54°

Saturation (HSL)50.38%

Lightness26.08%

Dominant channelRed

Hex per channelR 64 · G 2F · B 21

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

#642F21

Colour values

Brightness & contrast

Colour vision & accessibility

Named colours

Colour harmonies

Tints, shades & saturation

Channel breakdown

Keep nerding

Harmonies

Lighter and darker

Similar named colours

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