Recognised as Colour

#AD002D

#AD002D
Red
Dark
Nearest: Brown

#AD002D is a red with RGB values 173, 0, 45 and HSL 344°, 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 Brown.

Colour values

#AD002D#AD002D

HEX#AD002D

RGBrgb(173, 0, 45)

RGB (0–1)0.6784, 0, 0.1765

RGB percentages67.8%, 0%, 17.6%

HSLhsl(344.4, 100%, 33.9%)

HSV / HSBhsv(344.4, 100%, 67.8%)

CMYK0%, 100%, 74%, 32.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,337,773

CSS custom property--colour: #AD002D;

Brightness & contrast

Relative luminance0.09074WCAG 2.x, 0 is black and 1 is white

Perceived brightness95.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 7.46:1

Contrast with white7.46:1WCAG normal text: AAA

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

Greyscale equivalent#282828

Inverted#52FFD2

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#443F2Dno red cones; affects about 1% of men; ΔE 64.7 from the original

Deuteranopia#6B6127no green cones; the most common form, about 1% of men; ΔE 65.3 from the original

Tritanopia#BF0019no blue cones; rare, and affects men and women equally; ΔE 17.4 from the original

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

Contrast with white, large text7.46:1WCAG large text: AAA

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

Named colours

Brown · ΔE 11.7 Firebrick · ΔE 11.7 Crimson · ΔE 16 Dark red · ΔE 18.8 Maroon · ΔE 19.7 Indian red · ΔE 24.2

Nearest named CSS colourBrown (#A52A2A)ΔE 11.67, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#00AD80

Analogous#AD0083, #AD2A00

Triadic#2DAD00, #002DAD

Split complementary#00AD2A, #0083AD

Tetradic#84AD00, #00AD80, #2A00AD

Tints, shades & saturation

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

Lighter +40%#FF7A9D

Lighter +30%#FF4777

Lighter +20%#FF1451

Lighter +10%#E0003A

Darker −10%#7A0020

Darker −20%#470012

Darker −30%#140005

Darker −40%#000000

More saturated +25%#AD002D

Less saturated −25%#971637

Channel breakdown

R173

B45

Red173 (67.8%)

Green0 (0%)

Blue45 (17.6%)

Hue344.39°

Saturation (HSL)100%

Lightness33.92%

Dominant channelRed

Hex per channelR AD · G 00 · B 2D

Keep nerding

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

#AD002D

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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