Recognised as Colour

#FD1720

#FD1720
Red
Dark
Nearest: Red

#FD1720 is a red with RGB values 253, 23, 32 and HSL 358°, 98%, 54%. It is a dark colour, so black text on it reaches 5.3:1 contrast (AA for normal text). The nearest named colour is Red.

Colour values

#FD1720#FD1720

HEX#FD1720

RGBrgb(253, 23, 32)

RGB (0–1)0.9922, 0.0902, 0.1255

RGB percentages99.2%, 9%, 12.5%

HSLhsl(357.7, 98.3%, 54.1%)

HSV / HSBhsv(357.7, 90.9%, 99.2%)

CMYK0%, 90.9%, 87.4%, 0.8%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,586,528

CSS custom property--colour: #FD1720;

Brightness & contrast

Relative luminance0.216WCAG 2.x, 0 is black and 1 is white

Perceived brightness139.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.32:1

Contrast with white3.95:1WCAG normal text: Fail

Contrast with black5.32:1WCAG normal text: AA

Greyscale equivalent#494949

Inverted#02E8DF

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#6E611Bno red cones; affects about 1% of men; ΔE 84.1 from the original

Deuteranopia#A39109no green cones; the most common form, about 1% of men; ΔE 84.2 from the original

Tritanopia#FF0021no blue cones; rare, and affects men and women equally; ΔE 2.5 from the original

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

Contrast with white, large text3.95:1WCAG large text: AA

Contrast with black, large text5.32:1WCAG large text: AAA

Named colours

Red · ΔE 10.2 Orange red · ΔE 16.1 Tomato · ΔE 24.4 Crimson · ΔE 25.5 Firebrick · ΔE 32.9 Coral · ΔE 36.7

Nearest named CSS colourRed (#FF0000)ΔE 10.23, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#17FDF4

Analogous#FD1793, #FD8117

Triadic#20FD17, #1720FD

Split complementary#17FD81, #1793FD

Tetradic#93FD17, #17FDF4, #8117FD

Tints, shades & saturation

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

Lighter +40%#FFE1E2

Lighter +30%#FEAFB2

Lighter +20%#FE7C81

Lighter +10%#FD4A51

Darker −10%#DF020B

Darker −20%#AD0108

Darker −30%#7A0106

Darker −40%#470103

More saturated +25%#FF151E

Less saturated −25%#E0343B

Channel breakdown

R253

G23

B32

Red253 (99.2%)

Green23 (9%)

Blue32 (12.5%)

Hue357.65°

Saturation (HSL)98.29%

Lightness54.12%

Dominant channelRed

Hex per channelR FD · G 17 · B 20

Keep nerding

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

#FD1720

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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