Recognised as Colour

#40110D

#40110D
Red
Dark
Nearest: Black

#40110D is a red with RGB values 64, 17, 13 and HSL 5°, 66%, 15%. It is a dark colour, so white text on it reaches 16.1:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#40110D#40110D

HEX#40110D

RGBrgb(64, 17, 13)

RGB (0–1)0.251, 0.0667, 0.051

RGB percentages25.1%, 6.7%, 5.1%

HSLhsl(4.7, 66.2%, 15.1%)

HSV / HSBhsv(4.7, 79.7%, 25.1%)

CMYK0%, 73.4%, 79.7%, 74.9%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer4,198,669

CSS custom property--colour: #40110D;

Brightness & contrast

Relative luminance0.0152WCAG 2.x, 0 is black and 1 is white

Perceived brightness37.6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 16.1:1

Contrast with white16.1:1WCAG normal text: AAA

Contrast with black1.3:1WCAG normal text: Fail

Greyscale equivalent#1B1B1B

Inverted#BFEEF2

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#1E1B0Cno red cones; affects about 1% of men; ΔE 24.6 from the original

Deuteranopia#2A250Cno green cones; the most common form, about 1% of men; ΔE 24.5 from the original

Tritanopia#470610no blue cones; rare, and affects men and women equally; ΔE 7.7 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text16.1:1WCAG large text: AAA

Contrast with black, large text1.3:1WCAG large text: Fail

Named colours

Black · ΔE 29.5 Saddle brown · ΔE 36.7 Maroon · ΔE 37.2 Sienna · ΔE 38.4 Brown · ΔE 40.2 Dim grey · ΔE 41.4

Nearest named CSS colourBlack (#000000)ΔE 29.51, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#0D3C40

Analogous#400D23, #402A0D

Triadic#0D4011, #110D40

Split complementary#0D402B, #0D2240

Tetradic#23400D, #0D3C40, #2B0D40

Tints, shades & saturation

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

Lighter +40%#D84D41

Lighter +30%#BF3327

Lighter +20%#95281E

Lighter +10%#6A1C16

Darker −10%#160604

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#4A0903

Less saturated −25%#361917

Channel breakdown

R64

G17

B13

Red64 (25.1%)

Green17 (6.7%)

Blue13 (5.1%)

Hue4.71°

Saturation (HSL)66.23%

Lightness15.1%

Dominant channelRed

Hex per channelR 40 · G 11 · B 0D

Keep nerding

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

#40110D

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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