Recognised as Colour
#F01C00
- #F01C00
- Red
- Dark
- Nearest: Red
#F01C00 is a red with RGB values 240, 28, 0 and HSL 7°, 100%, 47%. It is a dark colour, so black text on it reaches 4.9:1 contrast (AA for normal text). The nearest named colour is Red.
Colour values
#F01C00#F01C00
HEX#F01C00
RGBrgb(240, 28, 0)
RGB (0–1)0.9412, 0.1098, 0
RGB percentages94.1%, 11%, 0%
HSLhsl(7, 100%, 47.1%)
HSV / HSBhsv(7, 100%, 94.1%)
CMYK0%, 88.3%, 100%, 5.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer15,735,808
CSS custom property--colour: #F01C00;
Brightness & contrast
Relative luminance0.19356WCAG 2.x, 0 is black and 1 is white
Perceived brightness133 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.87:1
Contrast with white4.31:1WCAG normal text: Fail
Contrast with black4.87:1WCAG normal text: AA
Greyscale equivalent#474747
Inverted#0FE3FF
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.31:1WCAG large text: AA
Contrast with black, large text4.87:1WCAG large text: AAA
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#00D4F0
Analogous#F0005C, #F09400
Triadic#00F01C, #1C00F0
Split complementary#00F094, #005CF0
Tetradic#5CF000, #00D4F0, #9400F0
Tints, shades & saturation
Channel breakdown
R240
G28
B0
Red240 (94.1%)
Green28 (11%)
Blue0 (0%)
Hue7°
Saturation (HSL)100%
Lightness47.06%
Dominant channelRed
Hex per channelR F0 · G 1C · B 00
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