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Recognised as Colour

#D7284A

  • #D7284A
  • Red
  • Dark
  • Nearest: Crimson

#D7284A is a red with RGB values 215, 40, 74 and HSL 348°, 69%, 50%. It is a dark colour, so white text on it reaches 4.9:1 contrast (AA for normal text). The nearest named colour is Crimson.

Colour values

#D7284A#D7284A
HEX#D7284A
RGBrgb(215, 40, 74)
RGB (0–1)0.8431, 0.1569, 0.2902
RGB percentages84.3%, 15.7%, 29%
HSLhsl(348.3, 68.6%, 50%)
HSV / HSBhsv(348.3, 81.4%, 84.3%)
CMYK0%, 81.4%, 65.6%, 15.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer14,100,554
CSS custom property--colour: #D7284A;

Brightness & contrast

Relative luminance0.16459WCAG 2.x, 0 is black and 1 is white
Perceived brightness124 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.89:1
Contrast with white4.89:1WCAG normal text: AA
Contrast with black4.29:1WCAG normal text: Fail
Greyscale equivalent#505050
Inverted#28D7B5

Colour vision & accessibility

Protanopia#5E5A4Ano red cones; affects about 1% of men; ΔE 70.3 from the original
Deuteranopia#8A7E45no green cones; the most common form, about 1% of men; ΔE 70.6 from the original
Tritanopia#EC0037no blue cones; rare, and affects men and women equally; ΔE 17.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.89:1WCAG large text: AAA
Contrast with black, large text4.29:1WCAG large text: AA

Named colours

Nearest named CSS colourCrimson (#DC143C)ΔE 9.18, clearly different but related
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#28D7B5
Analogous#D728A1, #D75E28
Triadic#4AD728, #284AD7
Split complementary#28D75E, #28A1D7
Tetradic#A2D728, #28D7B5, #5E28D7

Tints, shades & saturation

Lighter +40%#F7D4DB
Lighter +30%#EFA9B7
Lighter +20%#E77E92
Lighter +10%#DF536E
Darker −10%#AC203B
Darker −20%#81182C
Darker −30%#56101E
Darker −40%#2B080F
More saturated +25%#F70837
Less saturated −25%#B7485D

Channel breakdown

R215
G40
B74
Red215 (84.3%)
Green40 (15.7%)
Blue74 (29%)
Hue348.34°
Saturation (HSL)68.63%
Lightness50%
Dominant channelRed
Hex per channelR D7 · G 28 · B 4A

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Every value on this page was computed from “d7284a” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.