Colour

#F00033

#F00033
Red
Dark
Nearest: Crimson

#F00033 is a red with RGB values 240, 0, 51 and HSL 347°, 100%, 47%. It is a dark colour, so black text on it reaches 4.8:1 contrast (AA for normal text). The nearest named colour is Crimson.

Colour values

#F00033#F00033

HEX#F00033

RGBrgb(240, 0, 51)

RGB (0–1)0.9412, 0, 0.2

RGB percentages94.1%, 0%, 20%

HSLhsl(347.3, 100%, 47.1%)

HSV / HSBhsv(347.3, 100%, 94.1%)

CMYK0%, 100%, 78.8%, 5.9%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer15,728,691

CSS custom property--colour: #F00033;

Brightness & contrast

Relative luminance0.18764WCAG 2.x, 0 is black and 1 is white

Perceived brightness132.4 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 4.75:1

Contrast with white4.42:1WCAG normal text: Fail

Contrast with black4.75:1WCAG normal text: AA

Greyscale equivalent#373737

Inverted#0FFFCC

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#635A32no red cones; affects about 1% of men; ΔE 83 from the original

Deuteranopia#988829no green cones; the most common form, about 1% of men; ΔE 82.7 from the original

Tritanopia#FF0020no blue cones; rare, and affects men and women equally; ΔE 14.1 from the original

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

Contrast with white, large text4.42:1WCAG large text: AA

Contrast with black, large text4.75:1WCAG large text: AAA

Named colours

Crimson · ΔE 12.4 Tomato · ΔE 22.9 Red · ΔE 23.8 Firebrick · ΔE 24.9 Orange red · ΔE 27.9 Brown · ΔE 33.2

Nearest named CSS colourCrimson (#DC143C)ΔE 12.41, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#00F0BD

Analogous#F000AB, #F04500

Triadic#33F000, #0033F0

Split complementary#00F045, #00ABF0

Tetradic#ABF000, #00F0BD, #4500F0

Tints, shades & saturation

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

Lighter +40%#FFBDCB

Lighter +30%#FF8AA3

Lighter +20%#FF577B

Lighter +10%#FF2453

Darker −10%#BD0028

Darker −20%#8A001D

Darker −30%#570012

Darker −40%#240008

More saturated +25%#F00033

Less saturated −25%#D21E44

Channel breakdown

R240

B51

Red240 (94.1%)

Green0 (0%)

Blue51 (20%)

Hue347.25°

Saturation (HSL)100%

Lightness47.06%

Dominant channelRed

Hex per channelR F0 · G 00 · B 33

Keep nerding

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

#F00033

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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