Colour

#FF2A2A

#FF2A2A
Red
Dark
Nearest: Red

#FF2A2A is a red with RGB values 255, 42, 42 and HSL 0°, 100%, 58%. It is a dark colour, so black text on it reaches 5.6:1 contrast (AA for normal text). The nearest named colour is Red.

Colour values

#FF2A2A#FF2A2A

HEX#FF2A2A

RGBrgb(255, 42, 42)

RGB (0–1)1, 0.1647, 0.1647

RGB percentages100%, 16.5%, 16.5%

HSLhsl(0, 100%, 58.2%)

HSV / HSBhsv(0, 83.5%, 100%)

CMYK0%, 83.5%, 83.5%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,722,474

CSS custom property--colour: #FF2A2A;

Brightness & contrast

Relative luminance0.23083WCAG 2.x, 0 is black and 1 is white

Perceived brightness143.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.62:1

Contrast with white3.74:1WCAG normal text: Fail

Contrast with black5.62:1WCAG normal text: AA

Greyscale equivalent#575757

Inverted#00D5D5

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#736726no red cones; affects about 1% of men; ΔE 81.9 from the original

Deuteranopia#A6941Cno green cones; the most common form, about 1% of men; ΔE 81.6 from the original

Tritanopia#FF002Eno blue cones; rare, and affects men and women equally; ΔE 6.5 from the original

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

Contrast with white, large text3.74:1WCAG large text: AA

Contrast with black, large text5.62:1WCAG large text: AAA

Named colours

Red · ΔE 14.1 Orange red · ΔE 17 Tomato · ΔE 20.5 Crimson · ΔE 22.5 Firebrick · ΔE 30.2 Coral · ΔE 33.2

Nearest named CSS colourRed (#FF0000)ΔE 14.07, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#2AFFFF

Analogous#FF2A95, #FF952A

Triadic#2AFF2A, #2A2AFF

Split complementary#2AFF95, #2A95FF

Tetradic#95FF2A, #2AFFFF, #952AFF

Tints, shades & saturation

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

Lighter +40%#FFF6F6

Lighter +30%#FFC3C3

Lighter +20%#FF9090

Lighter +10%#FF5D5D

Darker −10%#F60000

Darker −20%#C30000

Darker −30%#900000

Darker −40%#5D0000

More saturated +25%#FF2A2A

Less saturated −25%#E44545

Channel breakdown

R255

G42

B42

Red255 (100%)

Green42 (16.5%)

Blue42 (16.5%)

Hue0°

Saturation (HSL)100%

Lightness58.24%

Dominant channelRed

Hex per channelR FF · G 2A · B 2A

Keep nerding

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

#FF2A2A

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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