Colour

#FF0D18

#FF0D18
Red
Dark
Nearest: Red

#FF0D18 is a red with RGB values 255, 13, 24 and HSL 357°, 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

#FF0D18#FF0D18

HEX#FF0D18

RGBrgb(255, 13, 24)

RGB (0–1)1, 0.051, 0.0941

RGB percentages100%, 5.1%, 9.4%

HSLhsl(357.3, 100%, 52.5%)

HSV / HSBhsv(357.3, 94.9%, 100%)

CMYK0%, 94.9%, 90.6%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,715,032

CSS custom property--colour: #FF0D18;

Brightness & contrast

Relative luminance0.21614WCAG 2.x, 0 is black and 1 is white

Perceived brightness140 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.32:1

Contrast with white3.95:1WCAG normal text: Fail

Contrast with black5.32:1WCAG normal text: AA

Greyscale equivalent#414141

Inverted#00F2E7

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#6E6111no red cones; affects about 1% of men; ΔE 85.8 from the original

Deuteranopia#A39100no green cones; the most common form, about 1% of men; ΔE 85.6 from the original

Tritanopia#FF001Ano blue cones; rare, and affects men and women equally; ΔE 1.4 from the original

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

Contrast with white, large text3.95:1WCAG large text: AA

Contrast with black, large text5.32:1WCAG large text: AAA

Named colours

Red · ΔE 6.6 Orange red · ΔE 14.8 Tomato · ΔE 27.2 Crimson · ΔE 29.1 Firebrick · ΔE 35.9 Coral · ΔE 39

Nearest named CSS colourRed (#FF0000)ΔE 6.59, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#0DFFF4

Analogous#FF0D91, #FF7B0D

Triadic#18FF0D, #0D18FF

Split complementary#0DFF7B, #0D91FF

Tetradic#91FF0D, #0DFFF4, #7B0DFF

Tints, shades & saturation

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

Lighter +40%#FFD9DB

Lighter +30%#FFA6AA

Lighter +20%#FF7379

Lighter +10%#FF4049

Darker −10%#D9000A

Darker −20%#A60008

Darker −30%#730005

Darker −40%#400003

More saturated +25%#FF0D18

Less saturated −25%#E12B34

Channel breakdown

R255

G13

B24

Red255 (100%)

Green13 (5.1%)

Blue24 (9.4%)

Hue357.27°

Saturation (HSL)100%

Lightness52.55%

Dominant channelRed

Hex per channelR FF · G 0D · B 18

Keep nerding

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

#FF0D18

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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