Colour

#680B1F

#680B1F
Red
Dark
Nearest: Brown

#680B1F is a red with RGB values 104, 11, 31 and HSL 347°, 81%, 23%. It is a dark colour, so white text on it reaches 12.7:1 contrast (AAA for normal text). The nearest named colour is Brown.

Colour values

#680B1F#680B1F

HEX#680B1F

RGBrgb(104, 11, 31)

RGB (0–1)0.4078, 0.0431, 0.1216

RGB percentages40.8%, 4.3%, 12.2%

HSLhsl(347.1, 80.9%, 22.5%)

HSV / HSBhsv(347.1, 89.4%, 40.8%)

CMYK0%, 89.4%, 70.2%, 59.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer6,818,591

CSS custom property--colour: #680B1F;

Brightness & contrast

Relative luminance0.03281WCAG 2.x, 0 is black and 1 is white

Perceived brightness58.4 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 12.68:1

Contrast with white12.68:1WCAG normal text: AAA

Contrast with black1.66:1WCAG normal text: Fail

Greyscale equivalent#202020

Inverted#97F4E0

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#29271Fno red cones; affects about 1% of men; ΔE 42.1 from the original

Deuteranopia#403A1Cno green cones; the most common form, about 1% of men; ΔE 42.5 from the original

Tritanopia#730014no blue cones; rare, and affects men and women equally; ΔE 11.2 from the original

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

Contrast with white, large text12.68:1WCAG large text: AAA

Contrast with black, large text1.66:1WCAG large text: Fail

Named colours

Brown · ΔE 24.7 Maroon · ΔE 24.9 Dark red · ΔE 29.4 Sienna · ΔE 32.4 Firebrick · ΔE 33.1 Indian red · ΔE 33.4

Nearest named CSS colourBrown (#A52A2A)ΔE 24.67, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#0B6854

Analogous#680B4D, #68260B

Triadic#1F680B, #0B1F68

Split complementary#0B6826, #0B4D68

Tetradic#4D680B, #0B6854, #260B68

Tints, shades & saturation

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

Lighter +40%#ED5273

Lighter +30%#E8244E

Lighter +20%#C4153A

Lighter +10%#96102D

Darker −10%#3A0611

Darker −20%#0C0104

Darker −30%#000000

Darker −40%#000000

More saturated +25%#730019

Less saturated −25%#5A1927

Channel breakdown

R104

G11

B31

Red104 (40.8%)

Green11 (4.3%)

Blue31 (12.2%)

Hue347.1°

Saturation (HSL)80.87%

Lightness22.55%

Dominant channelRed

Hex per channelR 68 · G 0B · B 1F

Keep nerding

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

#680B1F

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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