Recognised as Colour

#DD0447

#DD0447
Red
Dark
Nearest: Crimson

#DD0447 is a red with RGB values 221, 4, 71 and HSL 341°, 96%, 44%. It is a dark colour, so white text on it reaches 5:1 contrast (AA for normal text). The nearest named colour is Crimson.

Colour values

#DD0447#DD0447

HEX#DD0447

RGBrgb(221, 4, 71)

RGB (0–1)0.8667, 0.0157, 0.2784

RGB percentages86.7%, 1.6%, 27.8%

HSLhsl(341.5, 96.4%, 44.1%)

HSV / HSBhsv(341.5, 98.2%, 86.7%)

CMYK0%, 98.2%, 67.9%, 13.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer14,484,551

CSS custom property--colour: #DD0447;

Brightness & contrast

Relative luminance0.15914WCAG 2.x, 0 is black and 1 is white

Perceived brightness123.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.02:1

Contrast with white5.02:1WCAG normal text: AA

Contrast with black4.18:1WCAG normal text: Fail

Greyscale equivalent#373737

Inverted#22FBB8

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#585547no red cones; affects about 1% of men; ΔE 77.6 from the original

Deuteranopia#8A7D41no green cones; the most common form, about 1% of men; ΔE 77.2 from the original

Tritanopia#F3002Ano blue cones; rare, and affects men and women equally; ΔE 23.4 from the original

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

Contrast with white, large text5.02:1WCAG large text: AAA

Contrast with black, large text4.18:1WCAG large text: AA

Named colours

Crimson · ΔE 7.2 Firebrick · ΔE 21.8 Brown · ΔE 25.6 Tomato · ΔE 29.3 Indian red · ΔE 29.5 Dark red · ΔE 32.5

Nearest named CSS colourCrimson (#DC143C)ΔE 7.2, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#04DD9A

Analogous#DD04B4, #DD2E04

Triadic#47DD04, #0447DD

Split complementary#04DD2E, #04B4DD

Tetradic#B3DD04, #04DD9A, #2D04DD

Tints, shades & saturation

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

Lighter +40%#FEAFC8

Lighter +30%#FD7DA5

Lighter +20%#FC4B82

Lighter +10%#FB195F

Darker −10%#AB0337

Darker −20%#790227

Darker −30%#470117

Darker −40%#150007

More saturated +25%#E10045

Less saturated −25%#C12052

Channel breakdown

R221

B71

Red221 (86.7%)

Green4 (1.6%)

Blue71 (27.8%)

Hue341.47°

Saturation (HSL)96.44%

Lightness44.12%

Dominant channelRed

Hex per channelR DD · G 04 · B 47

Keep nerding

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

#DD0447

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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