Colour

#FF4049

#FF4049
Red
Dark
Nearest: Crimson

#FF4049 is a red with RGB values 255, 64, 73 and HSL 357°, 100%, 63%. It is a dark colour, so black text on it reaches 6.1:1 contrast (AA for normal text). The nearest named colour is Crimson.

Colour values

#FF4049#FF4049

HEX#FF4049

RGBrgb(255, 64, 73)

RGB (0–1)1, 0.251, 0.2863

RGB percentages100%, 25.1%, 28.6%

HSLhsl(357.2, 100%, 62.5%)

HSV / HSBhsv(357.2, 74.9%, 100%)

CMYK0%, 74.9%, 71.4%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,728,137

CSS custom property--colour: #FF4049;

Brightness & contrast

Relative luminance0.25408WCAG 2.x, 0 is black and 1 is white

Perceived brightness149.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 6.08:1

Contrast with white3.45:1WCAG normal text: Fail

Contrast with black6.08:1WCAG normal text: AA

Greyscale equivalent#696969

Inverted#00BFB6

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#797047no red cones; affects about 1% of men; ΔE 76.3 from the original

Deuteranopia#A99942no green cones; the most common form, about 1% of men; ΔE 76.4 from the original

Tritanopia#FF0046no blue cones; rare, and affects men and women equally; ΔE 11.5 from the original

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

Contrast with white, large text3.45:1WCAG large text: AA

Contrast with black, large text6.08:1WCAG large text: AAA

Named colours

Crimson · ΔE 12.2 Tomato · ΔE 15.3 Firebrick · ΔE 23.8 Coral · ΔE 28.4 Red · ΔE 29.1 Orange red · ΔE 29.2

Nearest named CSS colourCrimson (#DC143C)ΔE 12.23, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#40FFF6

Analogous#FF40A8, #FF9740

Triadic#49FF40, #4049FF

Split complementary#40FF97, #40A8FF

Tetradic#A8FF40, #40FFF6, #9740FF

Tints, shades & saturation

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

Lighter +40%#FFFFFF

Lighter +30%#FFD9DB

Lighter +20%#FFA6AA

Lighter +10%#FF737A

Darker −10%#FF0D18

Darker −20%#D9000A

Darker −30%#A60008

Darker −40%#730005

More saturated +25%#FF4049

Less saturated −25%#E7585F

Channel breakdown

R255

G64

B73

Red255 (100%)

Green64 (25.1%)

Blue73 (28.6%)

Hue357.17°

Saturation (HSL)100%

Lightness62.55%

Dominant channelRed

Hex per channelR FF · G 40 · B 49

Keep nerding

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

#FF4049

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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