Recognised as Colour

#FD0040

#FD0040
Red
Dark
Nearest: Crimson

#FD0040 is a red with RGB values 253, 0, 64 and HSL 345°, 100%, 50%. It is a dark colour, so black text on it reaches 5.3:1 contrast (AA for normal text). The nearest named colour is Crimson.

Colour values

#FD0040#FD0040

HEX#FD0040

RGBrgb(253, 0, 64)

RGB (0–1)0.9922, 0, 0.251

RGB percentages99.2%, 0%, 25.1%

HSLhsl(344.8, 100%, 49.6%)

HSV / HSBhsv(344.8, 100%, 99.2%)

CMYK0%, 100%, 74.7%, 0.8%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,580,672

CSS custom property--colour: #FD0040;

Brightness & contrast

Relative luminance0.21253WCAG 2.x, 0 is black and 1 is white

Perceived brightness140 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.25:1

Contrast with white4:1WCAG normal text: Fail

Contrast with black5.25:1WCAG normal text: AA

Greyscale equivalent#3A3A3A

Inverted#02FFBF

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#68603Fno red cones; affects about 1% of men; ΔE 86.3 from the original

Deuteranopia#A09037no green cones; the most common form, about 1% of men; ΔE 86.2 from the original

Tritanopia#FF0027no blue cones; rare, and affects men and women equally; ΔE 13.8 from the original

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

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

Contrast with black, large text5.25:1WCAG large text: AAA

Named colours

Crimson · ΔE 13.3 Tomato · ΔE 25.4 Red · ΔE 27.1 Firebrick · ΔE 28.6 Orange red · ΔE 31.9 Brown · ΔE 36.1

Nearest named CSS colourCrimson (#DC143C)ΔE 13.3, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#00FDBD

Analogous#FD00BF, #FD3E00

Triadic#40FD00, #0040FD

Split complementary#00FD3E, #00BFFD

Tetradic#BFFD00, #00FDBD, #3E00FD

Tints, shades & saturation

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

Lighter +40%#FFCAD7

Lighter +30%#FF97B1

Lighter +20%#FF648B

Lighter +10%#FF3165

Darker −10%#CA0033

Darker −20%#970026

Darker −30%#640019

Darker −40%#31000C

More saturated +25%#FD0040

Less saturated −25%#DD2050

Channel breakdown

R253

B64

Red253 (99.2%)

Green0 (0%)

Blue64 (25.1%)

Hue344.82°

Saturation (HSL)100%

Lightness49.61%

Dominant channelRed

Hex per channelR FD · G 00 · B 40

Keep nerding

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

#FD0040

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

Nerdulate something else