Colour

#680F28

#680F28
Red
Dark
Nearest: Brown

#680F28 is a red with RGB values 104, 15, 40 and HSL 343°, 75%, 23%. It is a dark colour, so white text on it reaches 12.4:1 contrast (AAA for normal text). The nearest named colour is Brown.

Colour values

#680F28#680F28

HEX#680F28

RGBrgb(104, 15, 40)

RGB (0–1)0.4078, 0.0588, 0.1569

RGB percentages40.8%, 5.9%, 15.7%

HSLhsl(343.1, 74.8%, 23.3%)

HSV / HSBhsv(343.1, 85.6%, 40.8%)

CMYK0%, 85.6%, 61.5%, 59.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer6,819,624

CSS custom property--colour: #680F28;

Brightness & contrast

Relative luminance0.03438WCAG 2.x, 0 is black and 1 is white

Perceived brightness59.6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 12.44:1

Contrast with white12.44:1WCAG normal text: AAA

Contrast with black1.69:1WCAG normal text: Fail

Greyscale equivalent#242424

Inverted#97F0D7

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#292928no red cones; affects about 1% of men; ΔE 40.9 from the original

Deuteranopia#3F3A26no green cones; the most common form, about 1% of men; ΔE 41.1 from the original

Tritanopia#72001Ano blue cones; rare, and affects men and women equally; ΔE 12.5 from the original

Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning

Contrast with white, large text12.44:1WCAG large text: AAA

Contrast with black, large text1.69:1WCAG large text: Fail

Named colours

Brown · ΔE 28.3 Maroon · ΔE 30.2 Dark red · ΔE 34.5 Indian red · ΔE 34.6 Sienna · ΔE 35.7 Firebrick · ΔE 37.1

Nearest named CSS colourBrown (#A52A2A)ΔE 28.33, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#0F684F

Analogous#680F54, #68220F

Triadic#28680F, #0F2868

Split complementary#0F6823, #0F5468

Tetradic#55680F, #0F684F, #230F68

Tints, shades & saturation

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

Lighter +40%#E75C83

Lighter +30%#E12F61

Lighter +20%#C11C4A

Lighter +10%#951539

Darker −10%#3B0917

Darker −20%#0F0206

Darker −30%#000000

Darker −40%#000000

More saturated +25%#770021

Less saturated −25%#591E2F

Channel breakdown

R104

G15

B40

Red104 (40.8%)

Green15 (5.9%)

Blue40 (15.7%)

Hue343.15°

Saturation (HSL)74.79%

Lightness23.33%

Dominant channelRed

Hex per channelR 68 · G 0F · B 28

Keep nerding

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#680F28

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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