Colour

#3D180D

#3D180D
Red
Dark
Nearest: Black

#3D180D is a red with RGB values 61, 24, 13 and HSL 14°, 65%, 15%. It is a dark colour, so white text on it reaches 15.7:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#3D180D#3D180D

HEX#3D180D

RGBrgb(61, 24, 13)

RGB (0–1)0.2392, 0.0941, 0.051

RGB percentages23.9%, 9.4%, 5.1%

HSLhsl(13.8, 64.9%, 14.5%)

HSV / HSBhsv(13.8, 78.7%, 23.9%)

CMYK0%, 60.7%, 78.7%, 76.1%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer4,003,853

CSS custom property--colour: #3D180D;

Brightness & contrast

Relative luminance0.01674WCAG 2.x, 0 is black and 1 is white

Perceived brightness38.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 15.73:1

Contrast with white15.73:1WCAG normal text: AAA

Contrast with black1.33:1WCAG normal text: Fail

Greyscale equivalent#1F1F1F

Inverted#C2E7F2

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#221E0Cno red cones; affects about 1% of men; ΔE 19 from the original

Deuteranopia#2B260Cno green cones; the most common form, about 1% of men; ΔE 19.2 from the original

Tritanopia#441116no blue cones; rare, and affects men and women equally; ΔE 9.1 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text15.73:1WCAG large text: AAA

Contrast with black, large text1.33:1WCAG large text: Fail

Named colours

Black · ΔE 26.8 Saddle brown · ΔE 36.2 Sienna · ΔE 38.3 Dim grey · ΔE 38.4 Dark slate grey · ΔE 38.8 Maroon · ΔE 40.1

Nearest named CSS colourBlack (#000000)ΔE 26.76, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#0D323D

Analogous#3D0D1A, #3D300D

Triadic#0D3D18, #180D3D

Split complementary#0D3D30, #0D1A3D

Tetradic#1A3D0D, #0D323D, #300D3D

Tints, shades & saturation

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

Lighter +40%#D66240

Lighter +30%#BB4A28

Lighter +20%#91391F

Lighter +10%#672916

Darker −10%#130704

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#461304

Less saturated −25%#341D16

Channel breakdown

R61

G24

B13

Red61 (23.9%)

Green24 (9.4%)

Blue13 (5.1%)

Hue13.75°

Saturation (HSL)64.86%

Lightness14.51%

Dominant channelRed

Hex per channelR 3D · G 18 · B 0D

Keep nerding

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#3D180D

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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