Recognised as Colour

#FF3A55

#FF3A55
Red
Dark
Nearest: Crimson

#FF3A55 is a red with RGB values 255, 58, 85 and HSL 352°, 100%, 61%. It is a dark colour, so black text on it reaches 6:1 contrast (AA for normal text). The nearest named colour is Crimson.

Colour values

#FF3A55#FF3A55

HEX#FF3A55

RGBrgb(255, 58, 85)

RGB (0–1)1, 0.2275, 0.3333

RGB percentages100%, 22.7%, 33.3%

HSLhsl(351.8, 100%, 61.4%)

HSV / HSBhsv(351.8, 77.3%, 100%)

CMYK0%, 77.3%, 66.7%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,726,613

CSS custom property--colour: #FF3A55;

Brightness & contrast

Relative luminance0.24942WCAG 2.x, 0 is black and 1 is white

Perceived brightness149.1 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.99:1

Contrast with white3.51:1WCAG normal text: Fail

Contrast with black5.99:1WCAG normal text: AA

Greyscale equivalent#666666

Inverted#00C5AA

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#756E54no red cones; affects about 1% of men; ΔE 77.6 from the original

Deuteranopia#A6984Fno green cones; the most common form, about 1% of men; ΔE 78.5 from the original

Tritanopia#FF0046no blue cones; rare, and affects men and women equally; ΔE 10 from the original

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

Contrast with white, large text3.51:1WCAG large text: AA

Contrast with black, large text5.99:1WCAG large text: AAA

Named colours

Crimson · ΔE 10.3 Tomato · ΔE 21.3 Firebrick · ΔE 25.4 Salmon · ΔE 30 Indian red · ΔE 30.4 Brown · ΔE 30.6

Nearest named CSS colourCrimson (#DC143C)ΔE 10.3, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#3AFFE4

Analogous#FF3AB7, #FF823A

Triadic#55FF3A, #3A55FF

Split complementary#3AFF82, #3AB7FF

Tetradic#B7FF3A, #3AFFE4, #823AFF

Tints, shades & saturation

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

Lighter +40%#FFFFFF

Lighter +30%#FFD3D9

Lighter +20%#FFA0AD

Lighter +10%#FF6D81

Darker −10%#FF0729

Darker −20%#D3001D

Darker −30%#A00016

Darker −40%#6D000F

More saturated +25%#FF3A55

Less saturated −25%#E65367

Channel breakdown

R255

G58

B85

Red255 (100%)

Green58 (22.7%)

Blue85 (33.3%)

Hue351.78°

Saturation (HSL)100%

Lightness61.37%

Dominant channelRed

Hex per channelR FF · G 3A · B 55

Keep nerding

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

#FF3A55

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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