Recognised as Colour

#AC041E

#AC041E
Red
Dark
Nearest: Firebrick

#AC041E is a red with RGB values 172, 4, 30 and HSL 351°, 95%, 35%. It is a dark colour, so white text on it reaches 7.5:1 contrast (AAA for normal text). The nearest named colour is Firebrick.

Colour values

#AC041E#AC041E

HEX#AC041E

RGBrgb(172, 4, 30)

RGB (0–1)0.6745, 0.0157, 0.1176

RGB percentages67.5%, 1.6%, 11.8%

HSLhsl(350.7, 95.5%, 34.5%)

HSV / HSBhsv(350.7, 97.7%, 67.5%)

CMYK0%, 97.7%, 82.6%, 32.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,273,246

CSS custom property--colour: #AC041E;

Brightness & contrast

Relative luminance0.08951WCAG 2.x, 0 is black and 1 is white

Perceived brightness94.6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 7.53:1

Contrast with white7.53:1WCAG normal text: AAA

Contrast with black2.79:1WCAG normal text: Fail

Greyscale equivalent#2A2A2A

Inverted#53FBE1

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#463F1Dno red cones; affects about 1% of men; ΔE 64.3 from the original

Deuteranopia#6C6015no green cones; the most common form, about 1% of men; ΔE 64 from the original

Tritanopia#BE0013no blue cones; rare, and affects men and women equally; ΔE 12 from the original

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

Contrast with white, large text7.53:1WCAG large text: AAA

Contrast with black, large text2.79:1WCAG large text: Fail

Named colours

Firebrick · ΔE 5.1 Brown · ΔE 11.6 Dark red · ΔE 12.7 Maroon · ΔE 15.6 Crimson · ΔE 16.1 Indian red · ΔE 27

Nearest named CSS colourFirebrick (#B22222)ΔE 5.1, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#04AC92

Analogous#AC0472, #AC3E04

Triadic#1EAC04, #041EAC

Split complementary#04AC3E, #0472AC

Tetradic#72AC04, #04AC92, #3E04AC

Tints, shades & saturation

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

Lighter +40%#FC8093

Lighter +30%#FB4E69

Lighter +20%#FA1C3F

Lighter +10%#DE0527

Darker −10%#7A0315

Darker −20%#48020D

Darker −30%#160104

Darker −40%#000000

More saturated +25%#B0001B

Less saturated −25%#961A2D

Channel breakdown

R172

B30

Red172 (67.5%)

Green4 (1.6%)

Blue30 (11.8%)

Hue350.71°

Saturation (HSL)95.45%

Lightness34.51%

Dominant channelRed

Hex per channelR AC · G 04 · B 1E

Keep nerding

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

#AC041E

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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