Recognised as Colour

#FD644B

#FD644B
Red
Dark
Nearest: Tomato

#FD644B is a red with RGB values 253, 100, 75 and HSL 8°, 98%, 64%. It is a dark colour, so black text on it reaches 7.1:1 contrast (AAA for normal text). The nearest named colour is Tomato.

Colour values

#FD644B#FD644B

HEX#FD644B

RGBrgb(253, 100, 75)

RGB (0–1)0.9922, 0.3922, 0.2941

RGB percentages99.2%, 39.2%, 29.4%

HSLhsl(8.4, 97.8%, 64.3%)

HSV / HSBhsv(8.4, 70.4%, 99.2%)

CMYK0%, 60.5%, 70.4%, 0.8%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,606,283

CSS custom property--colour: #FD644B;

Brightness & contrast

Relative luminance0.30505WCAG 2.x, 0 is black and 1 is white

Perceived brightness160.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 7.1:1

Contrast with white2.96:1WCAG normal text: Fail

Contrast with black7.1:1WCAG normal text: AAA

Greyscale equivalent#838383

Inverted#029BB4

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#8E8148no red cones; affects about 1% of men; ΔE 61.8 from the original

Deuteranopia#B4A346no green cones; the most common form, about 1% of men; ΔE 62.6 from the original

Tritanopia#FF405Fno blue cones; rare, and affects men and women equally; ΔE 22.6 from the original

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

Contrast with white, large text2.96:1WCAG large text: Fail

Contrast with black, large text7.1:1WCAG large text: AAA

Named colours

Tomato · ΔE 2.5 Coral · ΔE 13.1 Salmon · ΔE 19.7 Crimson · ΔE 23.1 Firebrick · ΔE 23.9 Chocolate · ΔE 24.3

Nearest named CSS colourTomato (#FF6347)ΔE 2.51, a close match

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#4BE4FD

Analogous#FD4B8B, #FDBD4B

Triadic#4BFD64, #644BFD

Split complementary#4BFDBD, #4B8BFD

Tetradic#8BFD4B, #4BE4FD, #BD4BFD

Tints, shades & saturation

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

Lighter +40%#FFFFFF

Lighter +30%#FFE6E2

Lighter +20%#FEBBB0

Lighter +10%#FE8F7D

Darker −10%#FC3919

Darker −20%#E02202

Darker −30%#AD1A02

Darker −40%#7B1201

More saturated +25%#FF6349

Less saturated −25%#E67462

Channel breakdown

R253

G100

B75

Red253 (99.2%)

Green100 (39.2%)

Blue75 (29.4%)

Hue8.43°

Saturation (HSL)97.8%

Lightness64.31%

Dominant channelRed

Hex per channelR FD · G 64 · B 4B

Keep nerding

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

#FD644B

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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