Colour

#331D24

#331D24
Red
Dark
Nearest: Black

#331D24 is a red with RGB values 51, 29, 36 and HSL 341°, 28%, 16%. It is a dark colour, so white text on it reaches 15.6:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#331D24#331D24

HEX#331D24

RGBrgb(51, 29, 36)

RGB (0–1)0.2, 0.1137, 0.1412

RGB percentages20%, 11.4%, 14.1%

HSLhsl(340.9, 27.5%, 15.7%)

HSV / HSBhsv(340.9, 43.1%, 20%)

CMYK0%, 43.1%, 29.4%, 80%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer3,349,796

CSS custom property--colour: #331D24;

Brightness & contrast

Relative luminance0.0171WCAG 2.x, 0 is black and 1 is white

Perceived brightness37.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 15.65:1

Contrast with white15.65:1WCAG normal text: AAA

Contrast with black1.34:1WCAG normal text: Fail

Greyscale equivalent#222222

Inverted#CCE2DB

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#202124no red cones; affects about 1% of men; ΔE 11.9 from the original

Deuteranopia#252524no green cones; the most common form, about 1% of men; ΔE 12.3 from the original

Tritanopia#361C1Fno blue cones; rare, and affects men and women equally; ΔE 3.9 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text15.65:1WCAG large text: AAA

Contrast with black, large text1.34:1WCAG large text: Fail

Named colours

Black · ΔE 18.4 Dark slate grey · ΔE 29.6 Dim grey · ΔE 32.8 Gray · ΔE 41.5 Slate grey · ΔE 42.7 Light slate grey · ΔE 45.7

Nearest named CSS colourBlack (#000000)ΔE 18.35, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#1D332C

Analogous#331D2F, #33211D

Triadic#24331D, #1D2433

Split complementary#1D3321, #1D2F33

Tetradic#2F331D, #1D332C, #211D33

Tints, shades & saturation

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

Lighter +40%#AD6F83

Lighter +30%#955469

Lighter +20%#744252

Lighter +10%#542F3B

Darker −10%#120B0D

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#3D1320

Less saturated −25%#292728

Channel breakdown

R51

G29

B36

Red51 (20%)

Green29 (11.4%)

Blue36 (14.1%)

Hue340.91°

Saturation (HSL)27.5%

Lightness15.69%

Dominant channelRed

Hex per channelR 33 · G 1D · B 24

Keep nerding

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

#331D24

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

Nerdulate something else