Recognised as Colour

#40150E

#40150E
Red
Dark
Nearest: Black

#40150E is a red with RGB values 64, 21, 14 and HSL 8°, 64%, 15%. It is a dark colour, so white text on it reaches 15.8:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#40150E#40150E

HEX#40150E

RGBrgb(64, 21, 14)

RGB (0–1)0.251, 0.0824, 0.0549

RGB percentages25.1%, 8.2%, 5.5%

HSLhsl(8.4, 64.1%, 15.3%)

HSV / HSBhsv(8.4, 78.1%, 25.1%)

CMYK0%, 67.2%, 78.1%, 74.9%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer4,199,694

CSS custom property--colour: #40150E;

Brightness & contrast

Relative luminance0.01658WCAG 2.x, 0 is black and 1 is white

Perceived brightness38.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 15.77:1

Contrast with white15.77:1WCAG normal text: AAA

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

Greyscale equivalent#1E1E1E

Inverted#BFEAF1

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#201D0Dno red cones; affects about 1% of men; ΔE 22.6 from the original

Deuteranopia#2B260Dno green cones; the most common form, about 1% of men; ΔE 22.3 from the original

Tritanopia#470C14no blue cones; rare, and affects men and women equally; ΔE 8.3 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text15.77:1WCAG large text: AAA

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

Named colours

Black · ΔE 28.6 Saddle brown · ΔE 36 Sienna · ΔE 37.8 Maroon · ΔE 38.1 Dim grey · ΔE 39.8 Brown · ΔE 41

Nearest named CSS colourBlack (#000000)ΔE 28.63, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#0E3940

Analogous#400E20, #402E0E

Triadic#0E4015, #150E40

Split complementary#0E402E, #0E2040

Tetradic#20400E, #0E3940, #2E0E40

Tints, shades & saturation

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

Lighter +40%#D65844

Lighter +30%#BE3E29

Lighter +20%#943020

Lighter +10%#6A2317

Darker −10%#160705

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#4A0E04

Less saturated −25%#361C18

Channel breakdown

R64

G21

B14

Red64 (25.1%)

Green21 (8.2%)

Blue14 (5.5%)

Hue8.4°

Saturation (HSL)64.1%

Lightness15.29%

Dominant channelRed

Hex per channelR 40 · G 15 · B 0E

Keep nerding

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

#40150E

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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