Colour

#FF2102

#FF2102
Red
Dark
Nearest: Red

#FF2102 is a red with RGB values 255, 33, 2 and HSL 7°, 100%, 50%. It is a dark colour, so black text on it reaches 5.5:1 contrast (AA for normal text). The nearest named colour is Red.

Colour values

#FF2102#FF2102

HEX#FF2102

RGBrgb(255, 33, 2)

RGB (0–1)1, 0.1294, 0.0078

RGB percentages100%, 12.9%, 0.8%

HSLhsl(7.4, 100%, 50.4%)

HSV / HSBhsv(7.4, 99.2%, 100%)

CMYK0%, 87.1%, 99.2%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,720,130

CSS custom property--colour: #FF2102;

Brightness & contrast

Relative luminance0.22352WCAG 2.x, 0 is black and 1 is white

Perceived brightness141.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.47:1

Contrast with white3.84:1WCAG normal text: Fail

Contrast with black5.47:1WCAG normal text: AA

Greyscale equivalent#4E4E4E

Inverted#00DEFD

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#726400no red cones; affects about 1% of men; ΔE 83.6 from the original

Deuteranopia#A69300no green cones; the most common form, about 1% of men; ΔE 82.7 from the original

Tritanopia#FF0021no blue cones; rare, and affects men and women equally; ΔE 11.1 from the original

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

Contrast with white, large text3.84:1WCAG large text: AA

Contrast with black, large text5.47:1WCAG large text: AAA

Named colours

Red · ΔE 3.5 Orange red · ΔE 9.7 Tomato · ΔE 29.1 Crimson · ΔE 34.8 Firebrick · ΔE 39.2 Coral · ΔE 39.2

Nearest named CSS colourRed (#FF0000)ΔE 3.53, a close match

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#02E0FF

Analogous#FF0261, #FFA002

Triadic#02FF21, #2102FF

Split complementary#02FFA0, #0261FF

Tetradic#61FF02, #02E0FF, #A002FF

Tints, shades & saturation

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

Lighter +40%#FFD4CE

Lighter +30%#FFA79B

Lighter +20%#FF7B68

Lighter +10%#FF4E35

Darker −10%#CE1900

Darker −20%#9B1300

Darker −30%#680D00

Darker −40%#350600

More saturated +25%#FF2102

Less saturated −25%#DF3922

Channel breakdown

R255

G33

Red255 (100%)

Green33 (12.9%)

Blue2 (0.8%)

Hue7.35°

Saturation (HSL)100%

Lightness50.39%

Dominant channelRed

Hex per channelR FF · G 21 · B 02

Keep nerding

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#FF2102

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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