Colour

#400C08

#400C08
Red
Dark
Nearest: Black

#400C08 is a red with RGB values 64, 12, 8 and HSL 4°, 78%, 14%. It is a dark colour, so white text on it reaches 16.5:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#400C08#400C08

HEX#400C08

RGBrgb(64, 12, 8)

RGB (0–1)0.251, 0.0471, 0.0314

RGB percentages25.1%, 4.7%, 3.1%

HSLhsl(4.3, 77.8%, 14.1%)

HSV / HSBhsv(4.3, 87.5%, 25.1%)

CMYK0%, 81.2%, 87.5%, 74.9%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer4,197,384

CSS custom property--colour: #400C08;

Brightness & contrast

Relative luminance0.0137WCAG 2.x, 0 is black and 1 is white

Perceived brightness36.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 16.48:1

Contrast with white16.48:1WCAG normal text: AAA

Contrast with black1.27:1WCAG normal text: Fail

Greyscale equivalent#171717

Inverted#BFF3F7

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#1B1807no red cones; affects about 1% of men; ΔE 27.2 from the original

Deuteranopia#282306no green cones; the most common form, about 1% of men; ΔE 27 from the original

Tritanopia#47000Cno blue cones; rare, and affects men and women equally; ΔE 7.8 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text16.48:1WCAG large text: AAA

Contrast with black, large text1.27:1WCAG large text: Fail

Named colours

Black · ΔE 31.2 Maroon · ΔE 35.6 Saddle brown · ΔE 36.6 Sienna · ΔE 38.4 Brown · ΔE 39.1 Dark red · ΔE 40.6

Nearest named CSS colourBlack (#000000)ΔE 31.2, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#083C40

Analogous#400820, #402808

Triadic#08400C, #0C0840

Split complementary#084028, #082040

Tetradic#204008, #083C40, #280840

Tints, shades & saturation

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

Lighter +40%#E53C2F

Lighter +30%#C82519

Lighter +20%#9B1D13

Lighter +10%#6D140E

Darker −10%#130402

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#480500

Less saturated −25%#371411

Channel breakdown

R64

G12

Red64 (25.1%)

Green12 (4.7%)

Blue8 (3.1%)

Hue4.29°

Saturation (HSL)77.78%

Lightness14.12%

Dominant channelRed

Hex per channelR 40 · G 0C · B 08

Keep nerding

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#400C08

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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