Colour

#FF051D

#FF051D
Red
Dark
Nearest: Red

#FF051D is a red with RGB values 255, 5, 29 and HSL 354°, 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

#FF051D#FF051D

HEX#FF051D

RGBrgb(255, 5, 29)

RGB (0–1)1, 0.0196, 0.1137

RGB percentages100%, 2%, 11.4%

HSLhsl(354.2, 100%, 51%)

HSV / HSBhsv(354.2, 98%, 100%)

CMYK0%, 98%, 88.6%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,712,989

CSS custom property--colour: #FF051D;

Brightness & contrast

Relative luminance0.21457WCAG 2.x, 0 is black and 1 is white

Perceived brightness139.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.29:1

Contrast with white3.97:1WCAG normal text: Fail

Contrast with black5.29:1WCAG normal text: AA

Greyscale equivalent#3C3C3C

Inverted#00FAE2

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#6C6018no red cones; affects about 1% of men; ΔE 86.8 from the original

Deuteranopia#A39100no green cones; the most common form, about 1% of men; ΔE 86.3 from the original

Tritanopia#FF0019no blue cones; rare, and affects men and women equally; ΔE 1.6 from the original

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

Contrast with white, large text3.97:1WCAG large text: AA

Contrast with black, large text5.29:1WCAG large text: AAA

Named colours

Red · ΔE 8.7 Orange red · ΔE 16.6 Tomato · ΔE 26.7 Crimson · ΔE 27.3 Firebrick · ΔE 35 Coral · ΔE 38.9

Nearest named CSS colourRed (#FF0000)ΔE 8.65, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#05FFE7

Analogous#FF059A, #FF6A05

Triadic#1DFF05, #051DFF

Split complementary#05FF6A, #059AFF

Tetradic#9AFF05, #05FFE7, #6A05FF

Tints, shades & saturation

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

Lighter +40%#FFD1D5

Lighter +30%#FF9EA7

Lighter +20%#FF6B79

Lighter +10%#FF384B

Darker −10%#D10014

Darker −20%#9E000F

Darker −30%#6B000A

Darker −40%#380005

More saturated +25%#FF051D

Less saturated −25%#E02436

Channel breakdown

R255

B29

Red255 (100%)

Green5 (2%)

Blue29 (11.4%)

Hue354.24°

Saturation (HSL)100%

Lightness50.98%

Dominant channelRed

Hex per channelR FF · G 05 · B 1D

Keep nerding

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#FF051D

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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