Colour

#AD0029

#AD0029
Red
Dark
Nearest: Firebrick

#AD0029 is a red with RGB values 173, 0, 41 and HSL 346°, 100%, 34%. 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

#AD0029#AD0029

HEX#AD0029

RGBrgb(173, 0, 41)

RGB (0–1)0.6784, 0, 0.1608

RGB percentages67.8%, 0%, 16.1%

HSLhsl(345.8, 100%, 33.9%)

HSV / HSBhsv(345.8, 100%, 67.8%)

CMYK0%, 100%, 76.3%, 32.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,337,769

CSS custom property--colour: #AD0029;

Brightness & contrast

Relative luminance0.09044WCAG 2.x, 0 is black and 1 is white

Perceived brightness95.6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 7.48:1

Contrast with white7.48:1WCAG normal text: AAA

Contrast with black2.81:1WCAG normal text: Fail

Greyscale equivalent#282828

Inverted#52FFD6

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#453F29no red cones; affects about 1% of men; ΔE 64.6 from the original

Deuteranopia#6B6023no green cones; the most common form, about 1% of men; ΔE 64.8 from the original

Tritanopia#BF0017no blue cones; rare, and affects men and women equally; ΔE 16.1 from the original

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

Contrast with white, large text7.48:1WCAG large text: AAA

Contrast with black, large text2.81:1WCAG large text: Fail

Named colours

Firebrick · ΔE 9.6 Brown · ΔE 11.1 Crimson · ΔE 15.4 Dark red · ΔE 16.9 Maroon · ΔE 18.4 Indian red · ΔE 24.8

Nearest named CSS colourFirebrick (#B22222)ΔE 9.57, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#00AD84

Analogous#AD0080, #AD2E00

Triadic#29AD00, #0029AD

Split complementary#00AD2E, #0080AD

Tetradic#80AD00, #00AD84, #2D00AD

Tints, shades & saturation

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

Lighter +40%#FF7A9A

Lighter +30%#FF4773

Lighter +20%#FF144C

Lighter +10%#E00035

Darker −10%#7A001D

Darker −20%#470011

Darker −30%#140005

Darker −40%#000000

More saturated +25%#AD0029

Less saturated −25%#971634

Channel breakdown

R173

B41

Red173 (67.8%)

Green0 (0%)

Blue41 (16.1%)

Hue345.78°

Saturation (HSL)100%

Lightness33.92%

Dominant channelRed

Hex per channelR AD · G 00 · B 29

Keep nerding

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

#AD0029

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