Colour

#FF0F3A

#FF0F3A
Red
Dark
Nearest: Crimson

#FF0F3A is a red with RGB values 255, 15, 58 and HSL 349°, 100%, 53%. 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

#FF0F3A#FF0F3A

HEX#FF0F3A

RGBrgb(255, 15, 58)

RGB (0–1)1, 0.0588, 0.2275

RGB percentages100%, 5.9%, 22.7%

HSLhsl(349.3, 100%, 52.9%)

HSV / HSBhsv(349.3, 94.1%, 100%)

CMYK0%, 94.1%, 77.3%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,715,578

CSS custom property--colour: #FF0F3A;

Brightness & contrast

Relative luminance0.21907WCAG 2.x, 0 is black and 1 is white

Perceived brightness141.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.38:1

Contrast with white3.9:1WCAG normal text: Fail

Contrast with black5.38:1WCAG normal text: AA

Greyscale equivalent#454545

Inverted#00F0C5

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#6C6239no red cones; affects about 1% of men; ΔE 85.5 from the original

Deuteranopia#A29230no green cones; the most common form, about 1% of men; ΔE 86 from the original

Tritanopia#FF0028no blue cones; rare, and affects men and women equally; ΔE 9.1 from the original

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

Contrast with white, large text3.9:1WCAG large text: AA

Contrast with black, large text5.38:1WCAG large text: AAA

Named colours

Crimson · ΔE 15.7 Red · ΔE 22.8 Tomato · ΔE 23.7 Orange red · ΔE 27.6 Firebrick · ΔE 29 Brown · ΔE 37.1

Nearest named CSS colourCrimson (#DC143C)ΔE 15.68, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#0FFFD4

Analogous#FF0FB2, #FF5C0F

Triadic#3AFF0F, #0F3AFF

Split complementary#0FFF5C, #0FB2FF

Tetradic#B2FF0F, #0FFFD4, #5C0FFF

Tints, shades & saturation

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

Lighter +40%#FFDBE1

Lighter +30%#FFA8B8

Lighter +20%#FF758E

Lighter +10%#FF4264

Darker −10%#DB0027

Darker −20%#A8001E

Darker −30%#750015

Darker −40%#42000C

More saturated +25%#FF0F3A

Less saturated −25%#E12D4D

Channel breakdown

R255

G15

B58

Red255 (100%)

Green15 (5.9%)

Blue58 (22.7%)

Hue349.25°

Saturation (HSL)100%

Lightness52.94%

Dominant channelRed

Hex per channelR FF · G 0F · B 3A

Keep nerding

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

#FF0F3A

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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