Recognised as Colour

#400B16

#400B16
Red
Dark
Nearest: Black

#400B16 is a red with RGB values 64, 11, 22 and HSL 348°, 71%, 15%. It is a dark colour, so white text on it reaches 16.4:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#400B16#400B16

HEX#400B16

RGBrgb(64, 11, 22)

RGB (0–1)0.251, 0.0431, 0.0863

RGB percentages25.1%, 4.3%, 8.6%

HSLhsl(347.5, 70.7%, 14.7%)

HSV / HSBhsv(347.5, 82.8%, 25.1%)

CMYK0%, 82.8%, 65.6%, 74.9%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer4,197,142

CSS custom property--colour: #400B16;

Brightness & contrast

Relative luminance0.01387WCAG 2.x, 0 is black and 1 is white

Perceived brightness36.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 16.44:1

Contrast with white16.44:1WCAG normal text: AAA

Contrast with black1.28:1WCAG normal text: Fail

Greyscale equivalent#171717

Inverted#BFF4E9

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#191816no red cones; affects about 1% of men; ΔE 27 from the original

Deuteranopia#272315no green cones; the most common form, about 1% of men; ΔE 27.1 from the original

Tritanopia#470110no blue cones; rare, and affects men and women equally; ΔE 7.3 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text16.44:1WCAG large text: AAA

Contrast with black, large text1.28:1WCAG large text: Fail

Named colours

Black · ΔE 29.7 Maroon · ΔE 40 Brown · ΔE 41.7 Saddle brown · ΔE 42.1 Dim grey · ΔE 42.4 Sienna · ΔE 42.6

Nearest named CSS colourBlack (#000000)ΔE 29.67, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#0B4035

Analogous#400B30, #401B0B

Triadic#16400B, #0B1640

Split complementary#0B401B, #0B3040

Tetradic#30400B, #0B4035, #1B0B40

Tints, shades & saturation

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

Lighter +40%#DD3A5C

Lighter +30%#C32143

Lighter +20%#971A34

Lighter +10%#6C1225

Darker −10%#140407

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#490211

Less saturated −25%#37141B

Channel breakdown

R64

G11

B22

Red64 (25.1%)

Green11 (4.3%)

Blue22 (8.6%)

Hue347.55°

Saturation (HSL)70.67%

Lightness14.71%

Dominant channelRed

Hex per channelR 40 · G 0B · B 16

Keep nerding

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

#400B16

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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