Colour

#AE011F

#AE011F
Red
Dark
Nearest: Firebrick

#AE011F is a red with RGB values 174, 1, 31 and HSL 350°, 99%, 34%. It is a dark colour, so white text on it reaches 7.4:1 contrast (AAA for normal text). The nearest named colour is Firebrick.

Colour values

#AE011F#AE011F

HEX#AE011F

RGBrgb(174, 1, 31)

RGB (0–1)0.6824, 0.0039, 0.1216

RGB percentages68.2%, 0.4%, 12.2%

HSLhsl(349.6, 98.9%, 34.3%)

HSV / HSBhsv(349.6, 99.4%, 68.2%)

CMYK0%, 99.4%, 82.2%, 31.8%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,403,551

CSS custom property--colour: #AE011F;

Brightness & contrast

Relative luminance0.09119WCAG 2.x, 0 is black and 1 is white

Perceived brightness95.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 7.44:1

Contrast with white7.44:1WCAG normal text: AAA

Contrast with black2.82:1WCAG normal text: Fail

Greyscale equivalent#282828

Inverted#51FEE0

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#463F1Eno red cones; affects about 1% of men; ΔE 65.2 from the original

Deuteranopia#6D6116no green cones; the most common form, about 1% of men; ΔE 65 from the original

Tritanopia#C00013no blue cones; rare, and affects men and women equally; ΔE 12.4 from the original

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

Contrast with white, large text7.44:1WCAG large text: AAA

Contrast with black, large text2.82:1WCAG large text: Fail

Named colours

Firebrick · ΔE 5.6 Brown · ΔE 12.3 Dark red · ΔE 13.5 Crimson · ΔE 15.2 Maroon · ΔE 16.5 Indian red · ΔE 27.2

Nearest named CSS colourFirebrick (#B22222)ΔE 5.64, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#01AE90

Analogous#AE0175, #AE3901

Triadic#1FAE01, #011FAE

Split complementary#01AE39, #0175AE

Tetradic#76AE01, #01AE90, #3A01AE

Tints, shades & saturation

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

Lighter +40%#FE7D93

Lighter +30%#FE4A69

Lighter +20%#FE173F

Lighter +10%#E10128

Darker −10%#7B0116

Darker −20%#49000D

Darker −30%#160004

Darker −40%#000000

More saturated +25%#AF001E

Less saturated −25%#98172D

Channel breakdown

R174

B31

Red174 (68.2%)

Green1 (0.4%)

Blue31 (12.2%)

Hue349.6°

Saturation (HSL)98.86%

Lightness34.31%

Dominant channelRed

Hex per channelR AE · G 01 · B 1F

Keep nerding

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#AE011F

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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