Recognised as Colour

#FD0039

#FD0039
Red
Dark
Nearest: Crimson

#FD0039 is a red with RGB values 253, 0, 57 and HSL 346°, 100%, 50%. 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

#FD0039#FD0039

HEX#FD0039

RGBrgb(253, 0, 57)

RGB (0–1)0.9922, 0, 0.2235

RGB percentages99.2%, 0%, 22.4%

HSLhsl(346.5, 100%, 49.6%)

HSV / HSBhsv(346.5, 100%, 99.2%)

CMYK0%, 100%, 77.5%, 0.8%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,580,665

CSS custom property--colour: #FD0039;

Brightness & contrast

Relative luminance0.21178WCAG 2.x, 0 is black and 1 is white

Perceived brightness139.7 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#3A3A3A

Inverted#02FFC6

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#696038no red cones; affects about 1% of men; ΔE 86.4 from the original

Deuteranopia#A0902Fno green cones; the most common form, about 1% of men; ΔE 86.4 from the original

Tritanopia#FF0023no blue cones; rare, and affects men and women equally; ΔE 11.8 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 15.4 Red · ΔE 23.2 Tomato · ΔE 24.5 Orange red · ΔE 28.3 Firebrick · ΔE 29 Brown · ΔE 37.1

Nearest named CSS colourCrimson (#DC143C)ΔE 15.42, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#00FDC4

Analogous#FD00B7, #FD4600

Triadic#39FD00, #0039FD

Split complementary#00FD46, #00B7FD

Tetradic#B7FD00, #00FDC4, #4600FD

Tints, shades & saturation

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

Lighter +40%#FFCAD6

Lighter +30%#FF97AE

Lighter +20%#FF6487

Lighter +10%#FF315F

Darker −10%#CA002E

Darker −20%#970022

Darker −30%#640017

Darker −40%#31000B

More saturated +25%#FD0039

Less saturated −25%#DD204A

Channel breakdown

R253

B57

Red253 (99.2%)

Green0 (0%)

Blue57 (22.4%)

Hue346.48°

Saturation (HSL)100%

Lightness49.61%

Dominant channelRed

Hex per channelR FD · G 00 · B 39

Keep nerding

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

#FD0039

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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