Recognised as Colour

#A1301F

#A1301F
Red
Dark
Nearest: Brown

#A1301F is a red with RGB values 161, 48, 31 and HSL 8°, 68%, 38%. It is a dark colour, so white text on it reaches 7.1:1 contrast (AAA for normal text). The nearest named colour is Brown.

Colour values

#A1301F#A1301F

HEX#A1301F

RGBrgb(161, 48, 31)

RGB (0–1)0.6314, 0.1882, 0.1216

RGB percentages63.1%, 18.8%, 12.2%

HSLhsl(7.8, 67.7%, 37.6%)

HSV / HSBhsv(7.8, 80.7%, 63.1%)

CMYK0%, 70.2%, 80.7%, 36.9%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer10,563,615

CSS custom property--colour: #A1301F;

Brightness & contrast

Relative luminance0.0979WCAG 2.x, 0 is black and 1 is white

Perceived brightness96 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 7.1:1

Contrast with white7.1:1WCAG normal text: AAA

Contrast with black2.96:1WCAG normal text: Fail

Greyscale equivalent#474747

Inverted#5ECFE0

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#51481Cno red cones; affects about 1% of men; ΔE 49.5 from the original

Deuteranopia#6D611Ano green cones; the most common form, about 1% of men; ΔE 49.7 from the original

Tritanopia#B2052Dno blue cones; rare, and affects men and women equally; ΔE 17.5 from the original

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

Contrast with white, large text7.1:1WCAG large text: AAA

Contrast with black, large text2.96:1WCAG large text: Fail

Named colours

Brown · ΔE 7.2 Firebrick · ΔE 10.5 Dark red · ΔE 11.8 Maroon · ΔE 12.3 Sienna · ΔE 17.5 Saddle brown · ΔE 19.7

Nearest named CSS colourBrown (#A52A2A)ΔE 7.25, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#1F90A1

Analogous#A11F4F, #A1711F

Triadic#1FA130, #301FA1

Split complementary#1FA171, #1F4FA1

Tetradic#4FA11F, #1F90A1, #711FA1

Tints, shades & saturation

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

Lighter +40%#EDAA9F

Lighter +30%#E48375

Lighter +20%#DC5D4A

Lighter +10%#CC3D27

Darker −10%#762317

Darker −20%#4B170F

Darker −30%#210A06

Darker −40%#000000

More saturated +25%#B91E07

Less saturated −25%#894237

Channel breakdown

R161

G48

B31

Red161 (63.1%)

Green48 (18.8%)

Blue31 (12.2%)

Hue7.85°

Saturation (HSL)67.71%

Lightness37.65%

Dominant channelRed

Hex per channelR A1 · G 30 · B 1F

Keep nerding

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

#A1301F

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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