Colour

#FF0022

#FF0022
Red
Dark
Nearest: Red

#FF0022 is a red with RGB values 255, 0, 34 and HSL 352°, 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 Red.

Colour values

#FF0022#FF0022

HEX#FF0022

HEX (short)#F02

RGBrgb(255, 0, 34)

RGB (0–1)1, 0, 0.1333

RGB percentages100%, 0%, 13.3%

HSLhsl(352, 100%, 50%)

HSV / HSBhsv(352, 100%, 100%)

CMYK0%, 100%, 86.7%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,711,714

CSS custom property--colour: #FF0022;

Brightness & contrast

Relative luminance0.21375WCAG 2.x, 0 is black and 1 is white

Perceived brightness139.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.28:1

Contrast with white3.98:1WCAG normal text: Fail

Contrast with black5.28:1WCAG normal text: AA

Greyscale equivalent#393939

Inverted#00FFDD

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#6C601Eno red cones; affects about 1% of men; ΔE 86.9 from the original

Deuteranopia#A2900Cno green cones; the most common form, about 1% of men; ΔE 86.5 from the original

Tritanopia#FF0019no blue cones; rare, and affects men and women equally; ΔE 3.8 from the original

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

Contrast with white, large text3.98:1WCAG large text: AA

Contrast with black, large text5.28:1WCAG large text: AAA

Named colours

Red · ΔE 10.9 Orange red · ΔE 18.4 Crimson · ΔE 25.4 Tomato · ΔE 26.2 Firebrick · ΔE 33.9 Coral · ΔE 38.8

Nearest named CSS colourRed (#FF0000)ΔE 10.92, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#00FFDD

Analogous#FF00A2, #FF5E00

Triadic#22FF00, #0022FF

Split complementary#00FF5E, #00A2FF

Tetradic#A2FF00, #00FFDD, #5D00FF

Tints, shades & saturation

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

Lighter +40%#FFCCD3

Lighter +30%#FF99A7

Lighter +20%#FF667A

Lighter +10%#FF334E

Darker −10%#CC001B

Darker −20%#990014

Darker −30%#66000E

Darker −40%#330007

More saturated +25%#FF0022

Less saturated −25%#DF2039

Channel breakdown

R255

B34

Red255 (100%)

Green0 (0%)

Blue34 (13.3%)

Hue352°

Saturation (HSL)100%

Lightness50%

Dominant channelRed

Hex per channelR FF · G 00 · B 22

Keep nerding

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

#FF0022

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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