Colour

#FF3F48

#FF3F48
Red
Dark
Nearest: Crimson

#FF3F48 is a red with RGB values 255, 63, 72 and HSL 357°, 100%, 62%. It is a dark colour, so black text on it reaches 6.1:1 contrast (AA for normal text). The nearest named colour is Crimson.

Colour values

#FF3F48#FF3F48

HEX#FF3F48

RGBrgb(255, 63, 72)

RGB (0–1)1, 0.2471, 0.2824

RGB percentages100%, 24.7%, 28.2%

HSLhsl(357.2, 100%, 62.4%)

HSV / HSBhsv(357.2, 75.3%, 100%)

CMYK0%, 75.3%, 71.8%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,727,880

CSS custom property--colour: #FF3F48;

Brightness & contrast

Relative luminance0.25283WCAG 2.x, 0 is black and 1 is white

Perceived brightness149.5 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 6.06:1

Contrast with white3.47:1WCAG normal text: Fail

Contrast with black6.06:1WCAG normal text: AA

Greyscale equivalent#686868

Inverted#00C0B7

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#796F46no red cones; affects about 1% of men; ΔE 76.1 from the original

Deuteranopia#A99941no green cones; the most common form, about 1% of men; ΔE 76.8 from the original

Tritanopia#FF0045no blue cones; rare, and affects men and women equally; ΔE 11.1 from the original

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

Contrast with white, large text3.47:1WCAG large text: AA

Contrast with black, large text6.06:1WCAG large text: AAA

Named colours

Crimson · ΔE 12.4 Tomato · ΔE 15.4 Firebrick · ΔE 23.9 Coral · ΔE 28.6 Red · ΔE 28.6 Orange red · ΔE 28.8

Nearest named CSS colourCrimson (#DC143C)ΔE 12.35, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#3FFFF6

Analogous#FF3FA8, #FF963F

Triadic#48FF3F, #3F48FF

Split complementary#3FFF96, #3FA8FF

Tetradic#A8FF3F, #3FFFF6, #963FFF

Tints, shades & saturation

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

Lighter +40%#FFFFFF

Lighter +30%#FFD8DA

Lighter +20%#FFA5A9

Lighter +10%#FF7279

Darker −10%#FF0C17

Darker −20%#D8000A

Darker −30%#A50008

Darker −40%#720005

More saturated +25%#FF3F48

Less saturated −25%#E7575E

Channel breakdown

R255

G63

B72

Red255 (100%)

Green63 (24.7%)

Blue72 (28.2%)

Hue357.19°

Saturation (HSL)100%

Lightness62.35%

Dominant channelRed

Hex per channelR FF · G 3F · B 48

Keep nerding

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

#FF3F48

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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