Colour

#FF0406

#FF0406
Red
Dark
Nearest: Red

#FF0406 is a red with RGB values 255, 4, 6 and HSL 360°, 100%, 51%. 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

#FF0406#FF0406

HEX#FF0406

RGBrgb(255, 4, 6)

RGB (0–1)1, 0.0157, 0.0235

RGB percentages100%, 1.6%, 2.4%

HSLhsl(359.5, 100%, 50.8%)

HSV / HSBhsv(359.5, 98.4%, 100%)

CMYK0%, 98.4%, 97.6%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,712,710

CSS custom property--colour: #FF0406;

Brightness & contrast

Relative luminance0.2136WCAG 2.x, 0 is black and 1 is white

Perceived brightness139.5 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.27:1

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

Contrast with black5.27:1WCAG normal text: AA

Greyscale equivalent#3A3A3A

Inverted#00FBF9

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#6D5F00no red cones; affects about 1% of men; ΔE 86.4 from the original

Deuteranopia#A39000no green cones; the most common form, about 1% of men; ΔE 85.5 from the original

Tritanopia#FF0012no blue cones; rare, and affects men and women equally; ΔE 3.2 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 text5.27:1WCAG large text: AAA

Named colours

Red · ΔE 1.5 Orange red · ΔE 13.2 Tomato · ΔE 30.6 Crimson · ΔE 34 Firebrick · ΔE 39.6 Coral · ΔE 41.5

Nearest named CSS colourRed (#FF0000)ΔE 1.47, below the just-noticeable difference

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#04FFFD

Analogous#FF0484, #FF8004

Triadic#06FF04, #0406FF

Split complementary#04FF80, #0483FF

Tetradic#83FF04, #04FFFD, #8004FF

Tints, shades & saturation

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

Lighter +40%#FFD0D0

Lighter +30%#FF9D9E

Lighter +20%#FF6A6B

Lighter +10%#FF3739

Darker −10%#D00002

Darker −20%#9D0001

Darker −30%#6A0001

Darker −40%#370000

More saturated +25%#FF0406

Less saturated −25%#E02325

Channel breakdown

R255

Red255 (100%)

Green4 (1.6%)

Blue6 (2.4%)

Hue359.52°

Saturation (HSL)100%

Lightness50.78%

Dominant channelRed

Hex per channelR FF · G 04 · B 06

Keep nerding

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#FF0406

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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