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Recognised as Colour

#AD455A

  • #AD455A
  • Red
  • Dark
  • Nearest: Indian red

#AD455A is a red with RGB values 173, 69, 90 and HSL 348°, 43%, 47%. It is a dark colour, so white text on it reaches 5.6:1 contrast (AA for normal text). The nearest named colour is Indian red.

Colour values

#AD455A#AD455A
HEX#AD455A
RGBrgb(173, 69, 90)
RGB (0–1)0.6784, 0.2706, 0.3529
RGB percentages67.8%, 27.1%, 35.3%
HSLhsl(347.9, 43%, 47.5%)
HSV / HSBhsv(347.9, 60.1%, 67.8%)
CMYK0%, 60.1%, 48%, 32.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,355,482
CSS custom property--colour: #AD455A;

Brightness & contrast

Relative luminance0.13879WCAG 2.x, 0 is black and 1 is white
Perceived brightness112.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.56:1
Contrast with white5.56:1WCAG normal text: AA
Contrast with black3.78:1WCAG normal text: Fail
Greyscale equivalent#5D5D5D
Inverted#52BAA5

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#5B5B5Ano red cones; affects about 1% of men; ΔE 45.8 from the original
Deuteranopia#767058no green cones; the most common form, about 1% of men; ΔE 46.6 from the original
Tritanopia#BC374Dno blue cones; rare, and affects men and women equally; ΔE 13 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.56:1WCAG large text: AAA
Contrast with black, large text3.78:1WCAG large text: AA

Named colours

Indian red · ΔE 15.5Pale violetred · ΔE 19Brown · ΔE 22.4Light coral · ΔE 24.2Sienna · ΔE 29.9Salmon · ΔE 30.2
Nearest named CSS colourIndian red (#CD5C5C)ΔE 15.5, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#45AD98
Analogous#AD458E, #AD6445
Triadic#5AAD45, #455AAD
Split complementary#45AD64, #458EAD
Tetradic#8EAD45, #45AD98, #6445AD

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#EDD1D7
Lighter +30%#DEADB7
Lighter +20%#D08897
Lighter +10%#C16477
Darker −10%#893647
Darker −20%#642834
Darker −30%#401921
Darker −40%#1B0B0E
More saturated +25%#CB2748
Less saturated −25%#8F636C

Channel breakdown

R173
G69
B90
Red173 (67.8%)
Green69 (27.1%)
Blue90 (35.3%)
Hue347.88°
Saturation (HSL)42.98%
Lightness47.45%
Dominant channelRed
Hex per channelR AD · G 45 · B 5A

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Every value on this page was computed from “ad455a” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.