Recognised as Colour

#AD2D03

#AD2D03
Red
Dark
Nearest: Firebrick

#AD2D03 is a red with RGB values 173, 45, 3 and HSL 15°, 97%, 35%. It is a dark colour, so white text on it reaches 6.7:1 contrast (AA for normal text). The nearest named colour is Firebrick.

Colour values

#AD2D03#AD2D03

HEX#AD2D03

RGBrgb(173, 45, 3)

RGB (0–1)0.6784, 0.1765, 0.0118

RGB percentages67.8%, 17.6%, 1.2%

HSLhsl(14.8, 96.6%, 34.5%)

HSV / HSBhsv(14.8, 98.3%, 67.8%)

CMYK0%, 74%, 98.3%, 32.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,349,251

CSS custom property--colour: #AD2D03;

Brightness & contrast

Relative luminance0.10768WCAG 2.x, 0 is black and 1 is white

Perceived brightness100.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 6.66:1

Contrast with white6.66:1WCAG normal text: AA

Contrast with black3.15:1WCAG normal text: Fail

Greyscale equivalent#454545

Inverted#52D2FC

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#554A00no red cones; affects about 1% of men; ΔE 55 from the original

Deuteranopia#746700no green cones; the most common form, about 1% of men; ΔE 55.2 from the original

Tritanopia#BF0027no blue cones; rare, and affects men and women equally; ΔE 20.5 from the original

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

Contrast with white, large text6.66:1WCAG large text: AAA

Contrast with black, large text3.15:1WCAG large text: AA

Named colours

Firebrick · ΔE 14.1 Dark red · ΔE 14.5 Maroon · ΔE 18.6 Brown · ΔE 20.1 Chocolate · ΔE 22.2 Tomato · ΔE 24.6

Nearest named CSS colourFirebrick (#B22222)ΔE 14.1, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#0383AD

Analogous#AD032E, #AD8203

Triadic#03AD2D, #2D03AD

Split complementary#03AD82, #032EAD

Tetradic#2EAD03, #0383AD, #8203AD

Tints, shades & saturation

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

Lighter +40%#FD9E7F

Lighter +30%#FC784D

Lighter +20%#FB521B

Lighter +10%#DF3A04

Darker −10%#7B2002

Darker −20%#491301

Darker −30%#170600

Darker −40%#000000

More saturated +25%#B02B00

Less saturated −25%#973819

Channel breakdown

R173

G45

Red173 (67.8%)

Green45 (17.6%)

Blue3 (1.2%)

Hue14.82°

Saturation (HSL)96.59%

Lightness34.51%

Dominant channelRed

Hex per channelR AD · G 2D · B 03

Keep nerding

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

#AD2D03

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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