Recognised as Colour

#A7041A

#A7041A
Red
Dark
Nearest: Firebrick

#A7041A is a red with RGB values 167, 4, 26 and HSL 352°, 95%, 34%. It is a dark colour, so white text on it reaches 7.8:1 contrast (AAA for normal text). The nearest named colour is Firebrick.

Colour values

#A7041A#A7041A

HEX#A7041A

RGBrgb(167, 4, 26)

RGB (0–1)0.6549, 0.0157, 0.102

RGB percentages65.5%, 1.6%, 10.2%

HSLhsl(351.9, 95.3%, 33.5%)

HSV / HSBhsv(351.9, 97.6%, 65.5%)

CMYK0%, 97.6%, 84.4%, 34.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer10,945,562

CSS custom property--colour: #A7041A;

Brightness & contrast

Relative luminance0.08377WCAG 2.x, 0 is black and 1 is white

Perceived brightness91.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 7.85:1

Contrast with white7.85:1WCAG normal text: AAA

Contrast with black2.68:1WCAG normal text: Fail

Greyscale equivalent#282828

Inverted#58FBE5

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#443D18no red cones; affects about 1% of men; ΔE 63 from the original

Deuteranopia#695D11no green cones; the most common form, about 1% of men; ΔE 62.4 from the original

Tritanopia#B90011no blue cones; rare, and affects men and women equally; ΔE 11 from the original

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

Contrast with white, large text7.85:1WCAG large text: AAA

Contrast with black, large text2.68:1WCAG large text: Fail

Named colours

Firebrick · ΔE 5 Dark red · ΔE 10.7 Brown · ΔE 11.1 Maroon · ΔE 13.8 Crimson · ΔE 18 Indian red · ΔE 27.4

Nearest named CSS colourFirebrick (#B22222)ΔE 4.97, a close match

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#04A791

Analogous#A7046C, #A74004

Triadic#1AA704, #041AA7

Split complementary#04A740, #046BA7

Tetradic#6BA704, #04A791, #3F04A7

Tints, shades & saturation

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

Lighter +40%#FC7B8D

Lighter +30%#FB4961

Lighter +20%#F91836

Lighter +10%#D90522

Darker −10%#750312

Darker −20%#43020A

Darker −30%#120003

Darker −40%#000000

More saturated +25%#AB0017

Less saturated −25%#92192A

Channel breakdown

R167

B26

Red167 (65.5%)

Green4 (1.6%)

Blue26 (10.2%)

Hue351.9°

Saturation (HSL)95.32%

Lightness33.53%

Dominant channelRed

Hex per channelR A7 · G 04 · B 1A

Keep nerding

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

#A7041A

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

Nerdulate something else