Colour

#FF3F46

#FF3F46
Red
Dark
Nearest: Crimson

#FF3F46 is a red with RGB values 255, 63, 70 and HSL 358°, 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

#FF3F46#FF3F46

HEX#FF3F46

RGBrgb(255, 63, 70)

RGB (0–1)1, 0.2471, 0.2745

RGB percentages100%, 24.7%, 27.5%

HSLhsl(357.8, 100%, 62.4%)

HSV / HSBhsv(357.8, 75.3%, 100%)

CMYK0%, 75.3%, 72.5%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,727,878

CSS custom property--colour: #FF3F46;

Brightness & contrast

Relative luminance0.25257WCAG 2.x, 0 is black and 1 is white

Perceived brightness149.4 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 6.05:1

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

Contrast with black6.05:1WCAG normal text: AA

Greyscale equivalent#686868

Inverted#00C0B9

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#796F44no red cones; affects about 1% of men; ΔE 76.3 from the original

Deuteranopia#A9993Fno green cones; the most common form, about 1% of men; ΔE 76.8 from the original

Tritanopia#FF0044no blue cones; rare, and affects men and women equally; ΔE 11.3 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 text6.05:1WCAG large text: AAA

Named colours

Crimson · ΔE 13 Tomato · ΔE 14.9 Firebrick · ΔE 24 Red · ΔE 27.6 Orange red · ΔE 27.7 Coral · ΔE 28.2

Nearest named CSS colourCrimson (#DC143C)ΔE 12.96, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#3FFFF8

Analogous#FF3FA6, #FF983F

Triadic#46FF3F, #3F46FF

Split complementary#3FFF98, #3FA6FF

Tetradic#A6FF3F, #3FFFF8, #983FFF

Tints, shades & saturation

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

Lighter +40%#FFFFFF

Lighter +30%#FFD8D9

Lighter +20%#FFA5A8

Lighter +10%#FF7277

Darker −10%#FF0C15

Darker −20%#D80008

Darker −30%#A50006

Darker −40%#720004

More saturated +25%#FF3F46

Less saturated −25%#E7575C

Channel breakdown

R255

G63

B70

Red255 (100%)

Green63 (24.7%)

Blue70 (27.5%)

Hue357.81°

Saturation (HSL)100%

Lightness62.35%

Dominant channelRed

Hex per channelR FF · G 3F · B 46

Keep nerding

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

#FF3F46

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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