Colour

#FF0051

#FF0051
Red
Dark
Nearest: Crimson

#FF0051 is a red with RGB values 255, 0, 81 and HSL 341°, 100%, 50%. It is a dark colour, so black text on it reaches 5.4:1 contrast (AA for normal text). The nearest named colour is Crimson.

Colour values

#FF0051#FF0051

HEX#FF0051

RGBrgb(255, 0, 81)

RGB (0–1)1, 0, 0.3176

RGB percentages100%, 0%, 31.8%

HSLhsl(340.9, 100%, 50%)

HSV / HSBhsv(340.9, 100%, 100%)

CMYK0%, 100%, 68.2%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,711,761

CSS custom property--colour: #FF0051;

Brightness & contrast

Relative luminance0.21854WCAG 2.x, 0 is black and 1 is white

Perceived brightness142.1 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.37:1

Contrast with white3.91:1WCAG normal text: Fail

Contrast with black5.37:1WCAG normal text: AA

Greyscale equivalent#3C3C3C

Inverted#00FFAE

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#676251no red cones; affects about 1% of men; ΔE 86.4 from the original

Deuteranopia#9F914Ano green cones; the most common form, about 1% of men; ΔE 86.8 from the original

Tritanopia#FF0030no blue cones; rare, and affects men and women equally; ΔE 18.5 from the original

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

Contrast with white, large text3.91:1WCAG large text: AA

Contrast with black, large text5.37:1WCAG large text: AAA

Named colours

Crimson · ΔE 13.1 Tomato · ΔE 29.7 Firebrick · ΔE 30.6 Brown · ΔE 36.1 Red · ΔE 36.3 Deep pink · ΔE 36.9

Nearest named CSS colourCrimson (#DC143C)ΔE 13.14, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#00FFAE

Analogous#FF00D0, #FF2E00

Triadic#51FF00, #0051FF

Split complementary#00FF2E, #00D0FF

Tetradic#D1FF00, #00FFAE, #2F00FF

Tints, shades & saturation

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

Lighter +40%#FFCCDC

Lighter +30%#FF99B9

Lighter +20%#FF6697

Lighter +10%#FF3374

Darker −10%#CC0041

Darker −20%#990031

Darker −30%#660020

Darker −40%#330010

More saturated +25%#FF0051

Less saturated −25%#DF205D

Channel breakdown

R255

B81

Red255 (100%)

Green0 (0%)

Blue81 (31.8%)

Hue340.94°

Saturation (HSL)100%

Lightness50%

Dominant channelRed

Hex per channelR FF · G 00 · B 51

Keep nerding

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

#FF0051

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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