Recognised as Colour

#F33D41

#F33D41
Red
Dark
Nearest: Crimson

#F33D41 is a red with RGB values 243, 61, 65 and HSL 359°, 88%, 60%. It is a dark colour, so black text on it reaches 5.6:1 contrast (AA for normal text). The nearest named colour is Crimson.

Colour values

#F33D41#F33D41

HEX#F33D41

RGBrgb(243, 61, 65)

RGB (0–1)0.9529, 0.2392, 0.2549

RGB percentages95.3%, 23.9%, 25.5%

HSLhsl(358.7, 88.3%, 59.6%)

HSV / HSBhsv(358.7, 74.9%, 95.3%)

CMYK0%, 74.9%, 73.3%, 4.7%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer15,940,929

CSS custom property--colour: #F33D41;

Brightness & contrast

Relative luminance0.22774WCAG 2.x, 0 is black and 1 is white

Perceived brightness142.6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.55:1

Contrast with white3.78:1WCAG normal text: Fail

Contrast with black5.55:1WCAG normal text: AA

Greyscale equivalent#646464

Inverted#0CC2BE

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#746A3Fno red cones; affects about 1% of men; ΔE 73.1 from the original

Deuteranopia#A1913Ano green cones; the most common form, about 1% of men; ΔE 73.3 from the original

Tritanopia#FF0041no blue cones; rare, and affects men and women equally; ΔE 13.2 from the original

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

Contrast with white, large text3.78:1WCAG large text: AA

Contrast with black, large text5.55:1WCAG large text: AAA

Named colours

Crimson · ΔE 11 Tomato · ΔE 13.7 Firebrick · ΔE 20.1 Coral · ΔE 26.7 Brown · ΔE 27.3 Orange red · ΔE 28.2

Nearest named CSS colourCrimson (#DC143C)ΔE 11.04, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#3DF3EF

Analogous#F33D9C, #F3943D

Triadic#41F33D, #3D41F3

Split complementary#3DF394, #3D9CF3

Tetradic#9CF33D, #3DF3EF, #943DF3

Tints, shades & saturation

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

Lighter +40%#FFFDFD

Lighter +30%#FCCDCE

Lighter +20%#F99D9F

Lighter +10%#F66D70

Darker −10%#EE0F14

Darker −20%#BE0C10

Darker −30%#8E090C

Darker −40%#5E0608

More saturated +25%#FF3136

Less saturated −25%#D9575A

Channel breakdown

R243

G61

B65

Red243 (95.3%)

Green61 (23.9%)

Blue65 (25.5%)

Hue358.68°

Saturation (HSL)88.35%

Lightness59.61%

Dominant channelRed

Hex per channelR F3 · G 3D · B 41

Keep nerding

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

#F33D41

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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