Recognised as Colour

#FF0F23

#FF0F23
Red
Dark
Nearest: Red

#FF0F23 is a red with RGB values 255, 15, 35 and HSL 355°, 100%, 53%. 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

#FF0F23#FF0F23

HEX#FF0F23

RGBrgb(255, 15, 35)

RGB (0–1)1, 0.0588, 0.1373

RGB percentages100%, 5.9%, 13.7%

HSLhsl(355, 100%, 52.9%)

HSV / HSBhsv(355, 94.1%, 100%)

CMYK0%, 94.1%, 86.3%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,715,555

CSS custom property--colour: #FF0F23;

Brightness & contrast

Relative luminance0.21723WCAG 2.x, 0 is black and 1 is white

Perceived brightness140.4 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.34:1

Contrast with white3.93:1WCAG normal text: Fail

Contrast with black5.34:1WCAG normal text: AA

Greyscale equivalent#434343

Inverted#00F0DC

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#6D611Fno red cones; affects about 1% of men; ΔE 85.9 from the original

Deuteranopia#A3910Fno green cones; the most common form, about 1% of men; ΔE 85.5 from the original

Tritanopia#FF001Eno blue cones; rare, and affects men and women equally; ΔE 2.2 from the original

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

Contrast with white, large text3.93:1WCAG large text: AA

Contrast with black, large text5.34:1WCAG large text: AAA

Named colours

Red · ΔE 11.1 Orange red · ΔE 17.7 Crimson · ΔE 25 Tomato · ΔE 25.1 Firebrick · ΔE 33.3 Coral · ΔE 37.6

Nearest named CSS colourRed (#FF0000)ΔE 11.11, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#0FFFEB

Analogous#FF0F9B, #FF730F

Triadic#23FF0F, #0F23FF

Split complementary#0FFF73, #0F9BFF

Tetradic#9BFF0F, #0FFFEB, #730FFF

Tints, shades & saturation

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

Lighter +40%#FFDBDE

Lighter +30%#FFA8AF

Lighter +20%#FF7580

Lighter +10%#FF4252

Darker −10%#DB0012

Darker −20%#A8000E

Darker −30%#75000A

Darker −40%#420005

More saturated +25%#FF0F23

Less saturated −25%#E12D3C

Channel breakdown

R255

G15

B35

Red255 (100%)

Green15 (5.9%)

Blue35 (13.7%)

Hue355°

Saturation (HSL)100%

Lightness52.94%

Dominant channelRed

Hex per channelR FF · G 0F · B 23

Keep nerding

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

#FF0F23

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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