Recognised as Colour

#AD351E

#AD351E
Red
Dark
Nearest: Firebrick

#AD351E is a red with RGB values 173, 53, 30 and HSL 10°, 70%, 40%. It is a dark colour, so white text on it reaches 6.4:1 contrast (AA for normal text). The nearest named colour is Firebrick.

Colour values

#AD351E#AD351E

HEX#AD351E

RGBrgb(173, 53, 30)

RGB (0–1)0.6784, 0.2078, 0.1176

RGB percentages67.8%, 20.8%, 11.8%

HSLhsl(9.7, 70.4%, 39.8%)

HSV / HSBhsv(9.7, 82.7%, 67.8%)

CMYK0%, 69.4%, 82.7%, 32.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,351,326

CSS custom property--colour: #AD351E;

Brightness & contrast

Relative luminance0.11524WCAG 2.x, 0 is black and 1 is white

Perceived brightness103.4 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 6.35:1

Contrast with white6.35:1WCAG normal text: AA

Contrast with black3.3:1WCAG normal text: Fail

Greyscale equivalent#4D4D4D

Inverted#52CAE1

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#584E1Ano red cones; affects about 1% of men; ΔE 51.9 from the original

Deuteranopia#766918no green cones; the most common form, about 1% of men; ΔE 52.2 from the original

Tritanopia#BF0831no blue cones; rare, and affects men and women equally; ΔE 19.6 from the original

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

Contrast with white, large text6.35:1WCAG large text: AAA

Contrast with black, large text3.3:1WCAG large text: AA

Named colours

Firebrick · ΔE 8.9 Brown · ΔE 10.8 Dark red · ΔE 12.8 Maroon · ΔE 15.2 Sienna · ΔE 19.4 Saddle brown · ΔE 21.5

Nearest named CSS colourFirebrick (#B22222)ΔE 8.89, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#1E96AD

Analogous#AD1E4F, #AD7D1E

Triadic#1EAD35, #351EAD

Split complementary#1EAD7D, #1E4FAD

Tetradic#4FAD1E, #1E96AD, #7D1EAD

Tints, shades & saturation

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

Lighter +40%#F0B3A7

Lighter +30%#E88D7C

Lighter +20%#E16850

Lighter +10%#D84226

Darker −10%#822816

Darker −20%#561A0F

Darker −30%#2B0D07

Darker −40%#000000

More saturated +25%#C62405

Less saturated −25%#944637

Channel breakdown

R173

G53

B30

Red173 (67.8%)

Green53 (20.8%)

Blue30 (11.8%)

Hue9.65°

Saturation (HSL)70.44%

Lightness39.8%

Dominant channelRed

Hex per channelR AD · G 35 · B 1E

Keep nerding

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

#AD351E

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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