Colour

#FF5433

#FF5433
Red
Dark
Nearest: Tomato

#FF5433 is a red with RGB values 255, 84, 51 and HSL 10°, 100%, 60%. It is a dark colour, so black text on it reaches 6.6:1 contrast (AA for normal text). The nearest named colour is Tomato.

Colour values

#FF5433#FF5433

HEX#FF5433

RGBrgb(255, 84, 51)

RGB (0–1)1, 0.3294, 0.2

RGB percentages100%, 32.9%, 20%

HSLhsl(9.7, 100%, 60%)

HSV / HSBhsv(9.7, 80%, 100%)

CMYK0%, 67.1%, 80%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,733,235

CSS custom property--colour: #FF5433;

Brightness & contrast

Relative luminance0.2784WCAG 2.x, 0 is black and 1 is white

Perceived brightness154.5 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 6.57:1

Contrast with white3.2:1WCAG normal text: Fail

Contrast with black6.57:1WCAG normal text: AA

Greyscale equivalent#767676

Inverted#00ABCC

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#86782Dno red cones; affects about 1% of men; ΔE 69 from the original

Deuteranopia#B09E2Bno green cones; the most common form, about 1% of men; ΔE 69.5 from the original

Tritanopia#FF184Eno blue cones; rare, and affects men and women equally; ΔE 26.7 from the original

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

Contrast with white, large text3.2:1WCAG large text: AA

Contrast with black, large text6.57:1WCAG large text: AAA

Named colours

Tomato · ΔE 9.6 Orange red · ΔE 15.9 Coral · ΔE 20.4 Red · ΔE 22.4 Crimson · ΔE 25.2 Chocolate · ΔE 26.6

Nearest named CSS colourTomato (#FF6347)ΔE 9.55, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#33DEFF

Analogous#FF3378, #FFBA33

Triadic#33FF54, #5433FF

Split complementary#33FFBA, #3378FF

Tetradic#78FF33, #33DEFF, #BA33FF

Tints, shades & saturation

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

Lighter +40%#FFFFFF

Lighter +30%#FFD4CC

Lighter +20%#FFAA99

Lighter +10%#FF7F66

Darker −10%#FF2900

Darker −20%#CC2100

Darker −30%#991900

Darker −40%#661000

More saturated +25%#FF5433

Less saturated −25%#E6654C

Channel breakdown

R255

G84

B51

Red255 (100%)

Green84 (32.9%)

Blue51 (20%)

Hue9.71°

Saturation (HSL)100%

Lightness60%

Dominant channelRed

Hex per channelR FF · G 54 · B 33

Keep nerding

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

#FF5433

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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