Recognised as Colour

#F01938

#F01938
Red
Dark
Nearest: Crimson

#F01938 is a red with RGB values 240, 25, 56 and HSL 351°, 88%, 52%. It is a dark colour, so black text on it reaches 4.9:1 contrast (AA for normal text). The nearest named colour is Crimson.

Colour values

#F01938#F01938

HEX#F01938

RGBrgb(240, 25, 56)

RGB (0–1)0.9412, 0.098, 0.2196

RGB percentages94.1%, 9.8%, 22%

HSLhsl(351.3, 87.8%, 52%)

HSV / HSBhsv(351.3, 89.6%, 94.1%)

CMYK0%, 89.6%, 76.7%, 5.9%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer15,735,096

CSS custom property--colour: #F01938;

Brightness & contrast

Relative luminance0.19506WCAG 2.x, 0 is black and 1 is white

Perceived brightness134 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 4.9:1

Contrast with white4.28:1WCAG normal text: Fail

Contrast with black4.9:1WCAG normal text: AA

Greyscale equivalent#494949

Inverted#0FE6C7

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#675E37no red cones; affects about 1% of men; ΔE 80.5 from the original

Deuteranopia#998A2Fno green cones; the most common form, about 1% of men; ΔE 80.8 from the original

Tritanopia#FF002Ano blue cones; rare, and affects men and women equally; ΔE 12.2 from the original

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

Contrast with white, large text4.28:1WCAG large text: AA

Contrast with black, large text4.9:1WCAG large text: AAA

Named colours

Crimson · ΔE 10.1 Tomato · ΔE 20.9 Firebrick · ΔE 23.1 Red · ΔE 26 Orange red · ΔE 28.8 Brown · ΔE 31

Nearest named CSS colourCrimson (#DC143C)ΔE 10.13, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#19F0D1

Analogous#F019A4, #F06519

Triadic#38F019, #1938F0

Split complementary#19F065, #19A4F0

Tetradic#A4F019, #19F0D1, #6519F0

Tints, shades & saturation

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

Lighter +40%#FCD9DE

Lighter +30%#F9A9B4

Lighter +20%#F6798B

Lighter +10%#F34961

Darker −10%#C90D28

Darker −20%#990A1F

Darker −30%#690715

Darker −40%#39040B

More saturated +25%#FF0A2D

Less saturated −25%#D1384E

Channel breakdown

R240

G25

B56

Red240 (94.1%)

Green25 (9.8%)

Blue56 (22%)

Hue351.35°

Saturation (HSL)87.76%

Lightness51.96%

Dominant channelRed

Hex per channelR F0 · G 19 · B 38

Keep nerding

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

#F01938

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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