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Recognised as Colour

#FD4D4B

  • #FD4D4B
  • Red
  • Dark
  • Nearest: Tomato

#FD4D4B is a red with RGB values 253, 77, 75 and HSL 1°, 98%, 64%. It is a dark colour, so black text on it reaches 6.3:1 contrast (AA for normal text). The nearest named colour is Tomato.

Colour values

#FD4D4B#FD4D4B
HEX#FD4D4B
RGBrgb(253, 77, 75)
RGB (0–1)0.9922, 0.302, 0.2941
RGB percentages99.2%, 30.2%, 29.4%
HSLhsl(0.7, 97.8%, 64.3%)
HSV / HSBhsv(0.7, 70.4%, 99.2%)
CMYK0%, 69.6%, 70.4%, 0.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer16,600,395
CSS custom property--colour: #FD4D4B;

Brightness & contrast

Relative luminance0.26698WCAG 2.x, 0 is black and 1 is white
Perceived brightness152.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.34:1
Contrast with white3.31:1WCAG normal text: Fail
Contrast with black6.34:1WCAG normal text: AA
Greyscale equivalent#727272
Inverted#02B2B4

Colour vision & accessibility

Protanopia#7F7549no red cones; affects about 1% of men; ΔE 71.2 from the original
Deuteranopia#AB9B45no green cones; the most common form, about 1% of men; ΔE 71.5 from the original
Tritanopia#FF084Fno blue cones; rare, and affects men and women equally; ΔE 17.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.31:1WCAG large text: AA
Contrast with black, large text6.34:1WCAG large text: AAA

Named colours

Nearest named CSS colourTomato (#FF6347)ΔE 10.91, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#4BFBFD
Analogous#FD4BA2, #FDA64B
Triadic#4BFD4D, #4D4BFD
Split complementary#4BFDA6, #4BA2FD
Tetradic#A2FD4B, #4BFBFD, #A64BFD

Tints, shades & saturation

Lighter +40%#FFFFFF
Lighter +30%#FFE3E2
Lighter +20%#FEB1B0
Lighter +10%#FE7F7D
Darker −10%#FC1B19
Darker −20%#E00502
Darker −30%#AD0402
Darker −40%#7B0301
More saturated +25%#FF4B49
Less saturated −25%#E66362

Channel breakdown

R253
G77
B75
Red253 (99.2%)
Green77 (30.2%)
Blue75 (29.4%)
Hue0.67°
Saturation (HSL)97.8%
Lightness64.31%
Dominant channelRed
Hex per channelR FD · G 4D · B 4B

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Every value on this page was computed from “fd4d4b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.