Colour

#FF1919

#FF1919
Red
Dark
Nearest: Red

#FF1919 is a red with RGB values 255, 25, 25 and HSL 0°, 100%, 55%. It is a dark colour, so black text on it reaches 5.4:1 contrast (AA for normal text). The nearest named colour is Red.

Colour values

#FF1919#FF1919

HEX#FF1919

RGBrgb(255, 25, 25)

RGB (0–1)1, 0.098, 0.098

RGB percentages100%, 9.8%, 9.8%

HSLhsl(0, 100%, 54.9%)

HSV / HSBhsv(0, 90.2%, 100%)

CMYK0%, 90.2%, 90.2%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,718,105

CSS custom property--colour: #FF1919;

Brightness & contrast

Relative luminance0.22025WCAG 2.x, 0 is black and 1 is white

Perceived brightness141 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.41:1

Contrast with white3.89:1WCAG normal text: Fail

Contrast with black5.41:1WCAG normal text: AA

Greyscale equivalent#4A4A4A

Inverted#00E6E6

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#706212no red cones; affects about 1% of men; ΔE 84.1 from the original

Deuteranopia#A49200no green cones; the most common form, about 1% of men; ΔE 84.5 from the original

Tritanopia#FF0020no blue cones; rare, and affects men and women equally; ΔE 4.1 from the original

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

Contrast with white, large text3.89:1WCAG large text: AA

Contrast with black, large text5.41:1WCAG large text: AAA

Named colours

Red · ΔE 7 Orange red · ΔE 13.8 Tomato · ΔE 26 Crimson · ΔE 28.8 Firebrick · ΔE 35.3 Coral · ΔE 37.7

Nearest named CSS colourRed (#FF0000)ΔE 6.96, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#19FFFF

Analogous#FF198C, #FF8C19

Triadic#19FF19, #1919FF

Split complementary#19FF8C, #198CFF

Tetradic#8CFF19, #19FFFF, #8C19FF

Tints, shades & saturation

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

Lighter +40%#FFE5E5

Lighter +30%#FFB2B2

Lighter +20%#FF7F7F

Lighter +10%#FF4C4C

Darker −10%#E50000

Darker −20%#B20000

Darker −30%#7F0000

Darker −40%#4C0000

More saturated +25%#FF1919

Less saturated −25%#E23636

Channel breakdown

R255

G25

B25

Red255 (100%)

Green25 (9.8%)

Blue25 (9.8%)

Hue0°

Saturation (HSL)100%

Lightness54.9%

Dominant channelRed

Hex per channelR FF · G 19 · B 19

Keep nerding

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

#FF1919

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

Nerdulate something else