Colour

#310C0B

#310C0B
Red
Dark
Nearest: Black

#310C0B is a red with RGB values 49, 12, 11 and HSL 2°, 63%, 12%. It is a dark colour, so white text on it reaches 17.7:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#310C0B#310C0B

HEX#310C0B

RGBrgb(49, 12, 11)

RGB (0–1)0.1922, 0.0471, 0.0431

RGB percentages19.2%, 4.7%, 4.3%

HSLhsl(1.6, 63.3%, 11.8%)

HSV / HSBhsv(1.6, 77.6%, 19.2%)

CMYK0%, 75.5%, 77.6%, 80.8%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer3,214,347

CSS custom property--colour: #310C0B;

Brightness & contrast

Relative luminance0.0094WCAG 2.x, 0 is black and 1 is white

Perceived brightness28.6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 17.68:1

Contrast with white17.68:1WCAG normal text: AAA

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

Greyscale equivalent#141414

Inverted#CEF3F4

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#16130Bno red cones; affects about 1% of men; ΔE 19.5 from the original

Deuteranopia#1F1B0Ano green cones; the most common form, about 1% of men; ΔE 20 from the original

Tritanopia#37050Cno blue cones; rare, and affects men and women equally; ΔE 6.1 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text17.68:1WCAG large text: AAA

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

Named colours

Black · ΔE 22.3 Dark slate grey · ΔE 40 Dim grey · ΔE 41.4 Saddle brown · ΔE 44.1 Maroon · ΔE 44.9 Sienna · ΔE 45.7

Nearest named CSS colourBlack (#000000)ΔE 22.28, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#0B3031

Analogous#310B1D, #311F0B

Triadic#0B310C, #0C0B31

Split complementary#0B311F, #0B1D31

Tetradic#1D310B, #0B3031, #1F0B31

Tints, shades & saturation

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

Lighter +40%#D23A36

Lighter +30%#AE2B27

Lighter +20%#84201E

Lighter +10%#5B1614

Darker −10%#070202

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#380504

Less saturated −25%#291312

Channel breakdown

R49

G12

B11

Red49 (19.2%)

Green12 (4.7%)

Blue11 (4.3%)

Hue1.58°

Saturation (HSL)63.33%

Lightness11.76%

Dominant channelRed

Hex per channelR 31 · G 0C · B 0B

Keep nerding

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

#310C0B

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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