Colour

#FF2827

#FF2827
Red
Dark
Nearest: Red

#FF2827 is a red with RGB values 255, 40, 39 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

#FF2827#FF2827

HEX#FF2827

RGBrgb(255, 40, 39)

RGB (0–1)1, 0.1569, 0.1529

RGB percentages100%, 15.7%, 15.3%

HSLhsl(0.3, 100%, 57.6%)

HSV / HSBhsv(0.3, 84.7%, 100%)

CMYK0%, 84.3%, 84.7%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,721,959

CSS custom property--colour: #FF2827;

Brightness & contrast

Relative luminance0.22924WCAG 2.x, 0 is black and 1 is white

Perceived brightness143.4 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.58:1

Contrast with white3.76:1WCAG normal text: Fail

Contrast with black5.58:1WCAG normal text: AA

Greyscale equivalent#565656

Inverted#00D7D8

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#736623no red cones; affects about 1% of men; ΔE 81.9 from the original

Deuteranopia#A69417no green cones; the most common form, about 1% of men; ΔE 82.1 from the original

Tritanopia#FF002Cno blue cones; rare, and affects men and women equally; ΔE 6.3 from the original

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

Contrast with white, large text3.76:1WCAG large text: AA

Contrast with black, large text5.58:1WCAG large text: AAA

Named colours

Red · ΔE 12.7 Orange red · ΔE 16.1 Tomato · ΔE 21.4 Crimson · ΔE 23.7 Firebrick · ΔE 31 Coral · ΔE 33.9

Nearest named CSS colourRed (#FF0000)ΔE 12.74, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#27FEFF

Analogous#FF2792, #FF9427

Triadic#27FF28, #2827FF

Split complementary#27FF94, #2792FF

Tetradic#92FF27, #27FEFF, #9427FF

Tints, shades & saturation

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

Lighter +40%#FFF3F3

Lighter +30%#FFC0C0

Lighter +20%#FF8E8D

Lighter +10%#FF5B5A

Darker −10%#F30100

Darker −20%#C00100

Darker −30%#8D0100

Darker −40%#5A0000

More saturated +25%#FF2827

Less saturated −25%#E44342

Channel breakdown

R255

G40

B39

Red255 (100%)

Green40 (15.7%)

Blue39 (15.3%)

Hue0.28°

Saturation (HSL)100%

Lightness57.65%

Dominant channelRed

Hex per channelR FF · G 28 · B 27

Keep nerding

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

#FF2827

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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