Recognised as Colour

#AE191E

#AE191E
Red
Dark
Nearest: Firebrick

#AE191E is a red with RGB values 174, 25, 30 and HSL 358°, 75%, 39%. It is a dark colour, so white text on it reaches 7.1:1 contrast (AAA for normal text). The nearest named colour is Firebrick.

Colour values

#AE191E#AE191E

HEX#AE191E

RGBrgb(174, 25, 30)

RGB (0–1)0.6824, 0.098, 0.1176

RGB percentages68.2%, 9.8%, 11.8%

HSLhsl(358, 74.9%, 39%)

HSV / HSBhsv(358, 85.6%, 68.2%)

CMYK0%, 85.6%, 82.8%, 31.8%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,409,694

CSS custom property--colour: #AE191E;

Brightness & contrast

Relative luminance0.09788WCAG 2.x, 0 is black and 1 is white

Perceived brightness97.6 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#393939

Inverted#51E6E1

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#4C441Cno red cones; affects about 1% of men; ΔE 61.4 from the original

Deuteranopia#706316no green cones; the most common form, about 1% of men; ΔE 61 from the original

Tritanopia#C0001Eno blue cones; rare, and affects men and women equally; ΔE 9.4 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

Firebrick · ΔE 1.9 Brown · ΔE 10.3 Dark red · ΔE 11.6 Maroon · ΔE 14.9 Crimson · ΔE 17.5 Indian red · ΔE 25.5

Nearest named CSS colourFirebrick (#B22222)ΔE 1.95, below the just-noticeable difference

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#19AEA9

Analogous#AE1968, #AE5F19

Triadic#1EAE19, #191EAE

Split complementary#19AE5F, #1968AE

Tetradic#68AE19, #19AEA9, #5F19AE

Tints, shades & saturation

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

Lighter +40%#F2A1A4

Lighter +30%#EB7579

Lighter +20%#E5484E

Lighter +10%#DB1F26

Darker −10%#811316

Darker −20%#550C0F

Darker −30%#280607

Darker −40%#000000

More saturated +25%#C70007

Less saturated −25%#953235

Channel breakdown

R174

G25

B30

Red174 (68.2%)

Green25 (9.8%)

Blue30 (11.8%)

Hue357.99°

Saturation (HSL)74.87%

Lightness39.02%

Dominant channelRed

Hex per channelR AE · G 19 · B 1E

Keep nerding

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

#AE191E

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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