Recognised as Colour

#F3153E

#F3153E
Red
Dark
Nearest: Crimson

#F3153E is a red with RGB values 243, 21, 62 and HSL 349°, 90%, 52%. It is a dark colour, so black text on it reaches 5:1 contrast (AA for normal text). The nearest named colour is Crimson.

Colour values

#F3153E#F3153E

HEX#F3153E

RGBrgb(243, 21, 62)

RGB (0–1)0.9529, 0.0824, 0.2431

RGB percentages95.3%, 8.2%, 24.3%

HSLhsl(348.9, 90.2%, 51.8%)

HSV / HSBhsv(348.9, 91.4%, 95.3%)

CMYK0%, 91.4%, 74.5%, 4.7%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer15,930,686

CSS custom property--colour: #F3153E;

Brightness & contrast

Relative luminance0.19939WCAG 2.x, 0 is black and 1 is white

Perceived brightness135.5 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 4.99:1

Contrast with white4.21:1WCAG normal text: Fail

Contrast with black4.99:1WCAG normal text: AA

Greyscale equivalent#474747

Inverted#0CEAC1

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#675F3Dno red cones; affects about 1% of men; ΔE 81.8 from the original

Deuteranopia#9A8B36no green cones; the most common form, about 1% of men; ΔE 82 from the original

Tritanopia#FF002Bno blue cones; rare, and affects men and women equally; ΔE 13.6 from the original

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

Contrast with white, large text4.21:1WCAG large text: AA

Contrast with black, large text4.99:1WCAG large text: AAA

Named colours

Crimson · ΔE 9.2 Tomato · ΔE 22.6 Firebrick · ΔE 24.2 Red · ΔE 28.4 Brown · ΔE 31.6 Orange red · ΔE 31.7

Nearest named CSS colourCrimson (#DC143C)ΔE 9.18, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#15F3CA

Analogous#F315AD, #F35B15

Triadic#3EF315, #153EF3

Split complementary#15F35B, #15ADF3

Tetradic#ADF315, #15F3CA, #5B15F3

Tints, shades & saturation

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

Lighter +40%#FDD7DE

Lighter +30%#FAA7B6

Lighter +20%#F8768E

Lighter +10%#F54666

Darker −10%#CB0A2E

Darker −20%#9A0823

Darker −30%#6A0518

Darker −40%#39030D

More saturated +25%#FF0936

Less saturated −25%#D43451

Channel breakdown

R243

G21

B62

Red243 (95.3%)

Green21 (8.2%)

Blue62 (24.3%)

Hue348.92°

Saturation (HSL)90.24%

Lightness51.76%

Dominant channelRed

Hex per channelR F3 · G 15 · B 3E

Keep nerding

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

#F3153E

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