Colour

#AD1942

#AD1942
Red
Dark
Nearest: Brown

#AD1942 is a red with RGB values 173, 25, 66 and HSL 343°, 75%, 39%. It is a dark colour, so white text on it reaches 7:1 contrast (AAA for normal text). The nearest named colour is Brown.

Colour values

#AD1942#AD1942

HEX#AD1942

RGBrgb(173, 25, 66)

RGB (0–1)0.6784, 0.098, 0.2588

RGB percentages67.8%, 9.8%, 25.9%

HSLhsl(343.4, 74.7%, 38.8%)

HSV / HSBhsv(343.4, 85.5%, 67.8%)

CMYK0%, 85.5%, 61.8%, 32.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,344,194

CSS custom property--colour: #AD1942;

Brightness & contrast

Relative luminance0.09973WCAG 2.x, 0 is black and 1 is white

Perceived brightness99.1 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 7.01:1

Contrast with white7.01:1WCAG normal text: AAA

Contrast with black2.99:1WCAG normal text: Fail

Greyscale equivalent#3B3B3B

Inverted#52E6BD

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#474642no red cones; affects about 1% of men; ΔE 60.8 from the original

Deuteranopia#6C643Eno green cones; the most common form, about 1% of men; ΔE 61.6 from the original

Tritanopia#BE002Cno blue cones; rare, and affects men and women equally; ΔE 18.5 from the original

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

Contrast with white, large text7.01:1WCAG large text: AAA

Contrast with black, large text2.99:1WCAG large text: Fail

Named colours

Brown · ΔE 16.7 Indian red · ΔE 21.4 Firebrick · ΔE 21.6 Crimson · ΔE 23.4 Maroon · ΔE 27 Dark red · ΔE 27.8

Nearest named CSS colourBrown (#A52A2A)ΔE 16.67, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#19AD84

Analogous#AD198C, #AD3A19

Triadic#42AD19, #1942AD

Split complementary#19AD3A, #198CAD

Tetradic#8CAD19, #19AD84, #3A19AD

Tints, shades & saturation

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

Lighter +40%#F1A1B7

Lighter +30%#EB7495

Lighter +20%#E44873

Lighter +10%#DA1F53

Darker −10%#801331

Darker −20%#540C20

Darker −30%#27060F

Darker −40%#000000

More saturated +25%#C60037

Less saturated −25%#94324D

Channel breakdown

R173

G25

B66

Red173 (67.8%)

Green25 (9.8%)

Blue66 (25.9%)

Hue343.38°

Saturation (HSL)74.75%

Lightness38.82%

Dominant channelRed

Hex per channelR AD · G 19 · B 42

Keep nerding

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

#AD1942

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