Colour

#3B1F18

#3B1F18
Red
Dark
Nearest: Black

#3B1F18 is a red with RGB values 59, 31, 24 and HSL 12°, 42%, 16%. It is a dark colour, so white text on it reaches 15.1:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#3B1F18#3B1F18

HEX#3B1F18

RGBrgb(59, 31, 24)

RGB (0–1)0.2314, 0.1216, 0.0941

RGB percentages23.1%, 12.2%, 9.4%

HSLhsl(12, 42.2%, 16.3%)

HSV / HSBhsv(12, 59.3%, 23.1%)

CMYK0%, 47.5%, 59.3%, 76.9%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer3,874,584

CSS custom property--colour: #3B1F18;

Brightness & contrast

Relative luminance0.01976WCAG 2.x, 0 is black and 1 is white

Perceived brightness40.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 15.05:1

Contrast with white15.05:1WCAG normal text: AAA

Contrast with black1.4:1WCAG normal text: Fail

Greyscale equivalent#242424

Inverted#C4E0E7

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#262317no red cones; affects about 1% of men; ΔE 14 from the original

Deuteranopia#2D2918no green cones; the most common form, about 1% of men; ΔE 14.2 from the original

Tritanopia#411B1Dno blue cones; rare, and affects men and women equally; ΔE 6.8 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text15.05:1WCAG large text: AAA

Contrast with black, large text1.4:1WCAG large text: Fail

Named colours

Black · ΔE 22.6 Dark slate grey · ΔE 32.5 Dim grey · ΔE 33.4 Saddle brown · ΔE 40 Sienna · ΔE 41.4 Gray · ΔE 41.7

Nearest named CSS colourBlack (#000000)ΔE 22.59, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#18343B

Analogous#3B1822, #3B3118

Triadic#183B1F, #1F183B

Split complementary#183B31, #18223B

Tetradic#223B18, #18343B, #31183B

Tints, shades & saturation

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

Lighter +40%#BF7360

Lighter +30%#A85844

Lighter +20%#844535

Lighter +10%#5F3227

Darker −10%#170C09

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#45190E

Less saturated −25%#312522

Channel breakdown

R59

G31

B24

Red59 (23.1%)

Green31 (12.2%)

Blue24 (9.4%)

Hue12°

Saturation (HSL)42.17%

Lightness16.27%

Dominant channelRed

Hex per channelR 3B · G 1F · B 18

Keep nerding

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

#3B1F18

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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