Colour

#FD3805

#FD3805
Red
Dark
Nearest: Orange red

#FD3805 is a red with RGB values 253, 56, 5 and HSL 12°, 98%, 51%. It is a dark colour, so black text on it reaches 5.7:1 contrast (AA for normal text). The nearest named colour is Orange red.

Colour values

#FD3805#FD3805

HEX#FD3805

RGBrgb(253, 56, 5)

RGB (0–1)0.9922, 0.2196, 0.0196

RGB percentages99.2%, 22%, 2%

HSLhsl(12.3, 98.4%, 50.6%)

HSV / HSBhsv(12.3, 98%, 99.2%)

CMYK0%, 77.9%, 98%, 0.8%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,594,949

CSS custom property--colour: #FD3805;

Brightness & contrast

Relative luminance0.23722WCAG 2.x, 0 is black and 1 is white

Perceived brightness144.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.74:1

Contrast with white3.66:1WCAG normal text: Fail

Contrast with black5.74:1WCAG normal text: AA

Greyscale equivalent#5E5E5E

Inverted#02C7FA

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#796A00no red cones; affects about 1% of men; ΔE 77.6 from the original

Deuteranopia#A99500no green cones; the most common form, about 1% of men; ΔE 76.7 from the original

Tritanopia#FF0032no blue cones; rare, and affects men and women equally; ΔE 21 from the original

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

Contrast with white, large text3.66:1WCAG large text: AA

Contrast with black, large text5.74:1WCAG large text: AAA

Named colours

Orange red · ΔE 4.3 Red · ΔE 9.3 Tomato · ΔE 25.2 Coral · ΔE 34.2 Crimson · ΔE 34.4 Chocolate · ΔE 35.6

Nearest named CSS colourOrange red (#FF4500)ΔE 4.34, a close match

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#05CAFD

Analogous#FD054E, #FDB405

Triadic#05FD38, #3805FD

Split complementary#05FDB4, #054EFD

Tetradic#4EFD05, #05CAFD, #B405FD

Tints, shades & saturation

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

Lighter +40%#FFD9CF

Lighter +30%#FEB19D

Lighter +20%#FE896A

Lighter +10%#FD6038

Darker −10%#CD2C02

Darker −20%#9B2101

Darker −30%#681601

Darker −40%#360B00

More saturated +25%#FF3703

Less saturated −25%#DE4B25

Channel breakdown

R253

G56

Red253 (99.2%)

Green56 (22%)

Blue5 (2%)

Hue12.34°

Saturation (HSL)98.41%

Lightness50.59%

Dominant channelRed

Hex per channelR FD · G 38 · B 05

Keep nerding

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

#FD3805

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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