Recognised as Colour
#FD210D
- #FD210D
- Red
- Dark
- Nearest: Red
#FD210D is a red with RGB values 253, 33, 13 and HSL 5°, 98%, 52%. It is a dark colour, so black text on it reaches 5.4:1 contrast (AA for normal text). The nearest named colour is Red.
Colour values
#FD210D#FD210D
HEX#FD210D
RGBrgb(253, 33, 13)
RGB (0–1)0.9922, 0.1294, 0.051
RGB percentages99.2%, 12.9%, 5.1%
HSLhsl(5, 98.4%, 52.2%)
HSV / HSBhsv(5, 94.9%, 99.2%)
CMYK0%, 87%, 94.9%, 0.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer16,589,069
CSS custom property--colour: #FD210D;
Brightness & contrast
Relative luminance0.21999WCAG 2.x, 0 is black and 1 is white
Perceived brightness140.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.4:1
Contrast with white3.89:1WCAG normal text: Fail
Contrast with black5.4:1WCAG normal text: AA
Greyscale equivalent#4E4E4E
Inverted#02DEF2
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.89:1WCAG large text: AA
Contrast with black, large text5.4:1WCAG large text: AAA
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#0DE9FD
Analogous#FD0D71, #FD990D
Triadic#0DFD21, #210DFD
Split complementary#0DFD99, #0D71FD
Tetradic#71FD0D, #0DE9FD, #990DFD
Tints, shades & saturation
Channel breakdown
R253
G33
B13
Red253 (99.2%)
Green33 (12.9%)
Blue13 (5.1%)
Hue5°
Saturation (HSL)98.36%
Lightness52.16%
Dominant channelRed
Hex per channelR FD · G 21 · B 0D
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