Recognised as Colour

#310C16

#310C16
Red
Dark
Nearest: Black

#310C16 is a red with RGB values 49, 12, 22 and HSL 344°, 61%, 12%. It is a dark colour, so white text on it reaches 17.6:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#310C16#310C16

HEX#310C16

RGBrgb(49, 12, 22)

RGB (0–1)0.1922, 0.0471, 0.0863

RGB percentages19.2%, 4.7%, 8.6%

HSLhsl(343.8, 60.7%, 12%)

HSV / HSBhsv(343.8, 75.5%, 19.2%)

CMYK0%, 75.5%, 55.1%, 80.8%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer3,214,358

CSS custom property--colour: #310C16;

Brightness & contrast

Relative luminance0.00974WCAG 2.x, 0 is black and 1 is white

Perceived brightness29.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 17.58:1

Contrast with white17.58:1WCAG normal text: AAA

Contrast with black1.19:1WCAG normal text: Fail

Greyscale equivalent#151515

Inverted#CEF3E9

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#141416no red cones; affects about 1% of men; ΔE 19.9 from the original

Deuteranopia#1D1C15no green cones; the most common form, about 1% of men; ΔE 21.1 from the original

Tritanopia#360710no blue cones; rare, and affects men and women equally; ΔE 5.6 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text17.58:1WCAG large text: AAA

Contrast with black, large text1.19:1WCAG large text: Fail

Named colours

Black · ΔE 21.9 Dark slate grey · ΔE 39.3 Dim grey · ΔE 40.9 Maroon · ΔE 48.2 Saddle brown · ΔE 48.3 Sienna · ΔE 49

Nearest named CSS colourBlack (#000000)ΔE 21.85, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#0C3127

Analogous#310C29, #31150C

Triadic#16310C, #0C1631

Split complementary#0C3115, #0C2931

Tetradic#28310C, #0C3127, #140C31

Tints, shades & saturation

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

Lighter +40%#CF3A62

Lighter +30%#AC2A4D

Lighter +20%#83203B

Lighter +10%#5A1628

Darker −10%#080204

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#390412

Less saturated −25%#29141A

Channel breakdown

R49

G12

B22

Red49 (19.2%)

Green12 (4.7%)

Blue22 (8.6%)

Hue343.78°

Saturation (HSL)60.66%

Lightness11.96%

Dominant channelRed

Hex per channelR 31 · G 0C · B 16

Keep nerding

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

#310C16

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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