Colour

#FB3147

#FB3147
Red
Dark
Nearest: Crimson

#FB3147 is a red with RGB values 251, 49, 71 and HSL 353°, 96%, 59%. It is a dark colour, so black text on it reaches 5.6:1 contrast (AA for normal text). The nearest named colour is Crimson.

Colour values

#FB3147#FB3147

HEX#FB3147

RGBrgb(251, 49, 71)

RGB (0–1)0.9843, 0.1922, 0.2784

RGB percentages98.4%, 19.2%, 27.8%

HSLhsl(353.5, 96.2%, 58.8%)

HSV / HSBhsv(353.5, 80.5%, 98.4%)

CMYK0%, 80.5%, 71.7%, 1.6%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,462,151

CSS custom property--colour: #FB3147;

Brightness & contrast

Relative luminance0.23161WCAG 2.x, 0 is black and 1 is white

Perceived brightness144.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.63:1

Contrast with white3.73:1WCAG normal text: Fail

Contrast with black5.63:1WCAG normal text: AA

Greyscale equivalent#5E5E5E

Inverted#04CEB8

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#716946no red cones; affects about 1% of men; ΔE 79.1 from the original

Deuteranopia#A39340no green cones; the most common form, about 1% of men; ΔE 78.9 from the original

Tritanopia#FF003Cno blue cones; rare, and affects men and women equally; ΔE 8.7 from the original

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

Contrast with white, large text3.73:1WCAG large text: AA

Contrast with black, large text5.63:1WCAG large text: AAA

Named colours

Crimson · ΔE 9.9 Tomato · ΔE 19.2 Firebrick · ΔE 24.1 Red · ΔE 29.6 Brown · ΔE 30.9 Orange red · ΔE 31.3

Nearest named CSS colourCrimson (#DC143C)ΔE 9.9, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#31FBE5

Analogous#FB31AC, #FB8031

Triadic#47FB31, #3147FB

Split complementary#31FB80, #31ACFB

Tetradic#ACFB31, #31FBE5, #8031FB

Tints, shades & saturation

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

Lighter +40%#FFF9FA

Lighter +30%#FEC7CD

Lighter +20%#FD95A0

Lighter +10%#FC6374

Darker −10%#F4051F

Darker −20%#C20419

Darker −30%#900312

Darker −40%#5E020C

More saturated +25%#FF2D44

Less saturated −25%#E14B5C

Channel breakdown

R251

G49

B71

Red251 (98.4%)

Green49 (19.2%)

Blue71 (27.8%)

Hue353.47°

Saturation (HSL)96.19%

Lightness58.82%

Dominant channelRed

Hex per channelR FB · G 31 · B 47

Keep nerding

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

#FB3147

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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