Colour

#AD2613

#AD2613
Red
Dark
Nearest: Firebrick

#AD2613 is a red with RGB values 173, 38, 19 and HSL 7°, 80%, 38%. It is a dark colour, so white text on it reaches 6.9:1 contrast (AA for normal text). The nearest named colour is Firebrick.

Colour values

#AD2613#AD2613

HEX#AD2613

RGBrgb(173, 38, 19)

RGB (0–1)0.6784, 0.149, 0.0745

RGB percentages67.8%, 14.9%, 7.5%

HSLhsl(7.4, 80.2%, 37.6%)

HSV / HSBhsv(7.4, 89%, 67.8%)

CMYK0%, 78%, 89%, 32.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,347,475

CSS custom property--colour: #AD2613;

Brightness & contrast

Relative luminance0.10317WCAG 2.x, 0 is black and 1 is white

Perceived brightness99.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 6.85:1

Contrast with white6.85:1WCAG normal text: AA

Contrast with black3.06:1WCAG normal text: Fail

Greyscale equivalent#414141

Inverted#52D9EC

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#51470Eno red cones; affects about 1% of men; ΔE 57.3 from the original

Deuteranopia#726507no green cones; the most common form, about 1% of men; ΔE 57.5 from the original

Tritanopia#BF0024no blue cones; rare, and affects men and women equally; ΔE 13.7 from the original

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

Contrast with white, large text6.85:1WCAG large text: AAA

Contrast with black, large text3.06:1WCAG large text: AA

Named colours

Firebrick · ΔE 7.3 Dark red · ΔE 10.9 Brown · ΔE 14.1 Maroon · ΔE 15.1 Crimson · ΔE 22.7 Tomato · ΔE 24.4

Nearest named CSS colourFirebrick (#B22222)ΔE 7.31, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#139AAD

Analogous#AD134D, #AD7313

Triadic#13AD26, #2613AD

Split complementary#13AD73, #134DAD

Tetradic#4DAD13, #139AAD, #7313AD

Tints, shades & saturation

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

Lighter +40%#F4A498

Lighter +30%#EF7B6A

Lighter +20%#EA523C

Lighter +10%#DB3018

Darker −10%#7F1C0E

Darker −20%#511209

Darker −30%#230804

Darker −40%#000000

More saturated +25%#C01800

Less saturated −25%#95382B

Channel breakdown

R173

G38

B19

Red173 (67.8%)

Green38 (14.9%)

Blue19 (7.5%)

Hue7.4°

Saturation (HSL)80.21%

Lightness37.65%

Dominant channelRed

Hex per channelR AD · G 26 · B 13

Keep nerding

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

#AD2613

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