Colour

#400E1B

#400E1B
Red
Dark
Nearest: Black

#400E1B is a red with RGB values 64, 14, 27 and HSL 344°, 64%, 15%. It is a dark colour, so white text on it reaches 16.2:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#400E1B#400E1B

HEX#400E1B

RGBrgb(64, 14, 27)

RGB (0–1)0.251, 0.0549, 0.1059

RGB percentages25.1%, 5.5%, 10.6%

HSLhsl(344.4, 64.1%, 15.3%)

HSV / HSBhsv(344.4, 78.1%, 25.1%)

CMYK0%, 78.1%, 57.8%, 74.9%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer4,197,915

CSS custom property--colour: #400E1B;

Brightness & contrast

Relative luminance0.01483WCAG 2.x, 0 is black and 1 is white

Perceived brightness37.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 16.2:1

Contrast with white16.2:1WCAG normal text: AAA

Contrast with black1.3:1WCAG normal text: Fail

Greyscale equivalent#1A1A1A

Inverted#BFF1E4

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#1A1A1Bno red cones; affects about 1% of men; ΔE 25.8 from the original

Deuteranopia#27241Ano green cones; the most common form, about 1% of men; ΔE 26.1 from the original

Tritanopia#460613no blue cones; rare, and affects men and women equally; ΔE 7.6 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text16.2:1WCAG large text: AAA

Contrast with black, large text1.3:1WCAG large text: Fail

Named colours

Black · ΔE 28.6 Dim grey · ΔE 41 Dark slate grey · ΔE 42.3 Maroon · ΔE 42.4 Brown · ΔE 43.5 Saddle brown · ΔE 44

Nearest named CSS colourBlack (#000000)ΔE 28.55, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#0E4033

Analogous#400E34, #401A0E

Triadic#1B400E, #0E1B40

Split complementary#0E401A, #0E3440

Tetradic#34400E, #0E4033, #1A0E40

Tints, shades & saturation

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

Lighter +40%#D6446A

Lighter +30%#BE2950

Lighter +20%#94203E

Lighter +10%#6A172D

Darker −10%#160509

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#4A0416

Less saturated −25%#361820

Channel breakdown

R64

G14

B27

Red64 (25.1%)

Green14 (5.5%)

Blue27 (10.6%)

Hue344.4°

Saturation (HSL)64.1%

Lightness15.29%

Dominant channelRed

Hex per channelR 40 · G 0E · B 1B

Keep nerding

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

#400E1B

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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