Recognised as Colour

#FB0057

#FB0057
Red
Dark
Nearest: Crimson

#FB0057 is a red with RGB values 251, 0, 87 and HSL 339°, 100%, 49%. It is a dark colour, so black text on it reaches 5.2:1 contrast (AA for normal text). The nearest named colour is Crimson.

Colour values

#FB0057#FB0057

HEX#FB0057

RGBrgb(251, 0, 87)

RGB (0–1)0.9843, 0, 0.3412

RGB percentages98.4%, 0%, 34.1%

HSLhsl(339.2, 100%, 49.2%)

HSV / HSBhsv(339.2, 100%, 98.4%)

CMYK0%, 100%, 65.3%, 1.6%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,449,623

CSS custom property--colour: #FB0057;

Brightness & contrast

Relative luminance0.21197WCAG 2.x, 0 is black and 1 is white

Perceived brightness140.4 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.24:1

Contrast with white4.01:1WCAG normal text: Fail

Contrast with black5.24:1WCAG normal text: AA

Greyscale equivalent#3C3C3C

Inverted#04FFA8

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#646158no red cones; affects about 1% of men; ΔE 85.2 from the original

Deuteranopia#9C8F50no green cones; the most common form, about 1% of men; ΔE 85.9 from the original

Tritanopia#FF0033no blue cones; rare, and affects men and women equally; ΔE 21.5 from the original

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

Contrast with white, large text4.01:1WCAG large text: AA

Contrast with black, large text5.24:1WCAG large text: AAA

Named colours

Crimson · ΔE 14 Firebrick · ΔE 31.1 Tomato · ΔE 32.1 Deep pink · ΔE 32.3 Brown · ΔE 35.4 Indian red · ΔE 36.6

Nearest named CSS colourCrimson (#DC143C)ΔE 14, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#00FBA4

Analogous#FB00D4, #FB2600

Triadic#57FB00, #0057FB

Split complementary#00FB26, #00D4FB

Tetradic#D5FB00, #00FBA4, #2700FB

Tints, shades & saturation

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

Lighter +40%#FFC8DB

Lighter +30%#FF95BA

Lighter +20%#FF6298

Lighter +10%#FF2F77

Darker −10%#C80045

Darker −20%#950034

Darker −30%#620022

Darker −40%#2F0010

More saturated +25%#FB0057

Less saturated −25%#DC1F61

Channel breakdown

R251

B87

Red251 (98.4%)

Green0 (0%)

Blue87 (34.1%)

Hue339.2°

Saturation (HSL)100%

Lightness49.22%

Dominant channelRed

Hex per channelR FB · G 00 · B 57

Keep nerding

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

#FB0057

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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