Recognised as Colour
#EF0B07
- #EF0B07
- Red
- Dark
- Nearest: Red
#EF0B07 is a red with RGB values 239, 11, 7 and HSL 1°, 94%, 48%. It is a dark colour, so black text on it reaches 4.7:1 contrast (AA for normal text). The nearest named colour is Red.
Colour values
#EF0B07#EF0B07
HEX#EF0B07
RGBrgb(239, 11, 7)
RGB (0–1)0.9373, 0.0431, 0.0275
RGB percentages93.7%, 4.3%, 2.7%
HSLhsl(1, 94.3%, 48.2%)
HSV / HSBhsv(1, 97.1%, 93.7%)
CMYK0%, 95.4%, 97.1%, 6.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer15,665,927
CSS custom property--colour: #EF0B07;
Brightness & contrast
Relative luminance0.18605WCAG 2.x, 0 is black and 1 is white
Perceived brightness131 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.72:1
Contrast with white4.45:1WCAG normal text: Fail
Contrast with black4.72:1WCAG normal text: AA
Greyscale equivalent#3B3B3B
Inverted#10F4F8
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.45:1WCAG large text: AA
Contrast with black, large text4.72:1WCAG large text: AAA
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#07EBEF
Analogous#EF0777, #EF7F07
Triadic#07EF0B, #0B07EF
Split complementary#07EF7F, #0777EF
Tetradic#77EF07, #07EBEF, #7F07EF
Tints, shades & saturation
Channel breakdown
R239
G11
B7
Red239 (93.7%)
Green11 (4.3%)
Blue7 (2.7%)
Hue1.03°
Saturation (HSL)94.31%
Lightness48.24%
Dominant channelRed
Hex per channelR EF · G 0B · B 07
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