Recognised as Colour

#FF2C05

#FF2C05
Red
Dark
Nearest: Red

#FF2C05 is a red with RGB values 255, 44, 5 and HSL 9°, 100%, 51%. 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

#FF2C05#FF2C05

HEX#FF2C05

RGBrgb(255, 44, 5)

RGB (0–1)1, 0.1725, 0.0196

RGB percentages100%, 17.3%, 2%

HSLhsl(9.4, 100%, 51%)

HSV / HSBhsv(9.4, 98%, 100%)

CMYK0%, 82.7%, 98%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,722,949

CSS custom property--colour: #FF2C05;

Brightness & contrast

Relative luminance0.23072WCAG 2.x, 0 is black and 1 is white

Perceived brightness143.5 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.61:1

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

Contrast with black5.61:1WCAG normal text: AA

Greyscale equivalent#565656

Inverted#00D3FA

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#756700no red cones; affects about 1% of men; ΔE 81.5 from the original

Deuteranopia#A79400no green cones; the most common form, about 1% of men; ΔE 80.6 from the original

Tritanopia#FF0029no blue cones; rare, and affects men and women equally; ΔE 15.1 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 text5.61:1WCAG large text: AAA

Named colours

Red · ΔE 5.8 Orange red · ΔE 7.6 Tomato · ΔE 27.3 Crimson · ΔE 34.4 Coral · ΔE 37.1 Firebrick · ΔE 38.2

Nearest named CSS colourRed (#FF0000)ΔE 5.77, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#05D8FF

Analogous#FF055B, #FFA905

Triadic#05FF2C, #2C05FF

Split complementary#05FFA9, #055BFF

Tetradic#5BFF05, #05D8FF, #A905FF

Tints, shades & saturation

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

Lighter +40%#FFD8D1

Lighter +30%#FFAD9E

Lighter +20%#FF826B

Lighter +10%#FF5738

Darker −10%#D12100

Darker −20%#9E1900

Darker −30%#6B1100

Darker −40%#380900

More saturated +25%#FF2C05

Less saturated −25%#E04224

Channel breakdown

R255

G44

Red255 (100%)

Green44 (17.3%)

Blue5 (2%)

Hue9.36°

Saturation (HSL)100%

Lightness50.98%

Dominant channelRed

Hex per channelR FF · G 2C · B 05

Keep nerding

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

#FF2C05

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

Nerdulate something else