Recognised as Colour

#2D181E

#2D181E
Red
Dark
Nearest: Black

#2D181E is a red with RGB values 45, 24, 30 and HSL 343°, 30%, 14%. It is a dark colour, so white text on it reaches 16.7:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#2D181E#2D181E

HEX#2D181E

RGBrgb(45, 24, 30)

RGB (0–1)0.1765, 0.0941, 0.1176

RGB percentages17.6%, 9.4%, 11.8%

HSLhsl(342.9, 30.4%, 13.5%)

HSV / HSBhsv(342.9, 46.7%, 17.6%)

CMYK0%, 46.7%, 33.3%, 82.4%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer2,955,294

CSS custom property--colour: #2D181E;

Brightness & contrast

Relative luminance0.01305WCAG 2.x, 0 is black and 1 is white

Perceived brightness32.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 16.65:1

Contrast with white16.65:1WCAG normal text: AAA

Contrast with black1.26:1WCAG normal text: Fail

Greyscale equivalent#1D1D1D

Inverted#D2E7E1

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#1B1C1Eno red cones; affects about 1% of men; ΔE 11.7 from the original

Deuteranopia#20201Eno green cones; the most common form, about 1% of men; ΔE 12.1 from the original

Tritanopia#30171Ano blue cones; rare, and affects men and women equally; ΔE 3.5 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text16.65:1WCAG large text: AAA

Contrast with black, large text1.26:1WCAG large text: Fail

Named colours

Black · ΔE 16.2 Dark slate grey · ΔE 30.9 Dim grey · ΔE 35.1 Gray · ΔE 43.8 Slate grey · ΔE 45.1 Light slate grey · ΔE 48.1

Nearest named CSS colourBlack (#000000)ΔE 16.18, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#182D27

Analogous#2D1829, #2D1D18

Triadic#1E2D18, #181E2D

Split complementary#182D1D, #18292D

Tetradic#292D18, #182D27, #1D182D

Tints, shades & saturation

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

Lighter +40%#AD6479

Lighter +30%#914D61

Lighter +20%#703B4A

Lighter +10%#4E2A34

Darker −10%#0C0608

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#360F1A

Less saturated −25%#242122

Channel breakdown

R45

G24

B30

Red45 (17.6%)

Green24 (9.4%)

Blue30 (11.8%)

Hue342.86°

Saturation (HSL)30.43%

Lightness13.53%

Dominant channelRed

Hex per channelR 2D · G 18 · B 1E

Keep nerding

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

#2D181E

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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