Colour

#680F31

#680F31
Red
Dark
Nearest: Brown

#680F31 is a red with RGB values 104, 15, 49 and HSL 337°, 75%, 23%. It is a dark colour, so white text on it reaches 12.3:1 contrast (AAA for normal text). The nearest named colour is Brown.

Colour values

#680F31#680F31

HEX#680F31

RGBrgb(104, 15, 49)

RGB (0–1)0.4078, 0.0588, 0.1922

RGB percentages40.8%, 5.9%, 19.2%

HSLhsl(337.1, 74.8%, 23.3%)

HSV / HSBhsv(337.1, 85.6%, 40.8%)

CMYK0%, 85.6%, 52.9%, 59.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer6,819,633

CSS custom property--colour: #680F31;

Brightness & contrast

Relative luminance0.03506WCAG 2.x, 0 is black and 1 is white

Perceived brightness60.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 12.34:1

Contrast with white12.34:1WCAG normal text: AAA

Contrast with black1.7:1WCAG normal text: Fail

Greyscale equivalent#242424

Inverted#97F0CE

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#262932no red cones; affects about 1% of men; ΔE 40.6 from the original

Deuteranopia#3E3B2Fno green cones; the most common form, about 1% of men; ΔE 41.6 from the original

Tritanopia#72001Eno blue cones; rare, and affects men and women equally; ΔE 15.3 from the original

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

Contrast with white, large text12.34:1WCAG large text: AAA

Contrast with black, large text1.7:1WCAG large text: Fail

Named colours

Brown · ΔE 32.7 Maroon · ΔE 35.7 Indian red · ΔE 36.8 Pale violetred · ΔE 39.1 Dark red · ΔE 39.8 Sienna · ΔE 40.3

Nearest named CSS colourBrown (#A52A2A)ΔE 32.66, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#0F6846

Analogous#680F5E, #681A0F

Triadic#31680F, #0F3168

Split complementary#0F681A, #0F5E68

Tetradic#5D680F, #0F6846, #190F68

Tints, shades & saturation

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

Lighter +40%#E75C91

Lighter +30%#E12F73

Lighter +20%#C11C5B

Lighter +10%#951546

Darker −10%#3B091C

Darker −20%#0F0207

Darker −30%#000000

Darker −40%#000000

More saturated +25%#77002D

Less saturated −25%#591E35

Channel breakdown

R104

G15

B49

Red104 (40.8%)

Green15 (5.9%)

Blue49 (19.2%)

Hue337.08°

Saturation (HSL)74.79%

Lightness23.33%

Dominant channelRed

Hex per channelR 68 · G 0F · B 31

Keep nerding

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

#680F31

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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