Recognised as Colour

#F00019

#F00019
Red
Dark
Nearest: Red

#F00019 is a red with RGB values 240, 0, 25 and HSL 354°, 100%, 47%. It is a dark colour, so black text on it reaches 4.7:1 contrast (AA for normal text). The nearest named colour is Red.

Colour values

#F00019#F00019

HEX#F00019

RGBrgb(240, 0, 25)

RGB (0–1)0.9412, 0, 0.098

RGB percentages94.1%, 0%, 9.8%

HSLhsl(353.8, 100%, 47.1%)

HSV / HSBhsv(353.8, 100%, 94.1%)

CMYK0%, 100%, 89.6%, 5.9%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer15,728,665

CSS custom property--colour: #F00019;

Brightness & contrast

Relative luminance0.18595WCAG 2.x, 0 is black and 1 is white

Perceived brightness131.5 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 4.72:1

Contrast with white4.45:1WCAG normal text: Fail

Contrast with black4.72:1WCAG normal text: AA

Greyscale equivalent#353535

Inverted#0FFFE6

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#655914no red cones; affects about 1% of men; ΔE 82.9 from the original

Deuteranopia#998800no green cones; the most common form, about 1% of men; ΔE 82.7 from the original

Tritanopia#FF0014no blue cones; rare, and affects men and women equally; ΔE 7.1 from the original

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

Contrast with white, large text4.45:1WCAG large text: AA

Contrast with black, large text4.72:1WCAG large text: AAA

Named colours

Red · ΔE 11.6 Orange red · ΔE 17 Crimson · ΔE 23.9 Tomato · ΔE 24.5 Firebrick · ΔE 30.2 Coral · ΔE 36.8

Nearest named CSS colourRed (#FF0000)ΔE 11.61, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#00F0D7

Analogous#F00091, #F05F00

Triadic#19F000, #0019F0

Split complementary#00F05F, #0091F0

Tetradic#91F000, #00F0D7, #5F00F0

Tints, shades & saturation

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

Lighter +40%#FFBDC4

Lighter +30%#FF8A96

Lighter +20%#FF5769

Lighter +10%#FF243B

Darker −10%#BD0014

Darker −20%#8A000E

Darker −30%#570009

Darker −40%#240004

More saturated +25%#F00019

Less saturated −25%#D21E31

Channel breakdown

R240

B25

Red240 (94.1%)

Green0 (0%)

Blue25 (9.8%)

Hue353.75°

Saturation (HSL)100%

Lightness47.06%

Dominant channelRed

Hex per channelR F0 · G 00 · B 19

Keep nerding

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

#F00019

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