Colour

#18100E

#18100E
Red
Dark
Nearest: Black

#18100E is a red with RGB values 24, 16, 14 and HSL 12°, 26%, 7%. It is a dark colour, so white text on it reaches 18.8:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#18100E#18100E

HEX#18100E

RGBrgb(24, 16, 14)

RGB (0–1)0.0941, 0.0627, 0.0549

RGB percentages9.4%, 6.3%, 5.5%

HSLhsl(12, 26.3%, 7.5%)

HSV / HSBhsv(12, 41.7%, 9.4%)

CMYK0%, 33.3%, 41.7%, 90.6%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer1,576,974

CSS custom property--colour: #18100E;

Brightness & contrast

Relative luminance0.00596WCAG 2.x, 0 is black and 1 is white

Perceived brightness18.6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 18.76:1

Contrast with white18.76:1WCAG normal text: AAA

Contrast with black1.12:1WCAG normal text: Fail

Greyscale equivalent#121212

Inverted#E7EFF1

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#12110Eno red cones; affects about 1% of men; ΔE 3.3 from the original

Deuteranopia#14120Eno green cones; the most common form, about 1% of men; ΔE 3 from the original

Tritanopia#1A0F0Fno blue cones; rare, and affects men and women equally; ΔE 1.8 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text18.76:1WCAG large text: AAA

Contrast with black, large text1.12:1WCAG large text: Fail

Named colours

Black · ΔE 6.6 Dark slate grey · ΔE 30.4 Dim grey · ΔE 39.2 Gray · ΔE 48.3 Slate grey · ΔE 49.4 Dark olivegreen · ΔE 51.4

Nearest named CSS colourBlack (#000000)ΔE 6.56, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#0E1618

Analogous#180E11, #18150E

Triadic#0E1810, #100E18

Split complementary#0E1815, #0E1118

Tetradic#11180E, #0E1618, #150E18

Tints, shades & saturation

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

Lighter +40%#996659

Lighter +30%#795046

Lighter +20%#583B34

Lighter +10%#382521

Darker −10%#000000

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#1D0D09

Less saturated −25%#131313

Channel breakdown

R24

G16

B14

Red24 (9.4%)

Green16 (6.3%)

Blue14 (5.5%)

Hue12°

Saturation (HSL)26.32%

Lightness7.45%

Dominant channelRed

Hex per channelR 18 · G 10 · B 0E

Keep nerding

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#18100E

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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