Recognised as Colour
#E70900
- #E70900
- Red
- Dark
- Nearest: Red
#E70900 is a red with RGB values 231, 9, 0 and HSL 2°, 100%, 45%. It is a dark colour, so white text on it reaches 4.7:1 contrast (AA for normal text). The nearest named colour is Red.
Colour values
#E70900#E70900
HEX#E70900
RGBrgb(231, 9, 0)
RGB (0–1)0.9059, 0.0353, 0
RGB percentages90.6%, 3.5%, 0%
HSLhsl(2.3, 100%, 45.3%)
HSV / HSBhsv(2.3, 100%, 90.6%)
CMYK0%, 96.1%, 100%, 9.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer15,141,120
CSS custom property--colour: #E70900;
Brightness & contrast
Relative luminance0.17184WCAG 2.x, 0 is black and 1 is white
Perceived brightness126.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.73:1
Contrast with white4.73:1WCAG normal text: AA
Contrast with black4.44:1WCAG normal text: Fail
Greyscale equivalent#383838
Inverted#18F6FF
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.73:1WCAG large text: AAA
Contrast with black, large text4.44:1WCAG large text: AA
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#00DEE7
Analogous#E7006B, #E77C00
Triadic#00E709, #0900E7
Split complementary#00E77C, #006BE7
Tetradic#6BE700, #00DEE7, #7C00E7
Tints, shades & saturation
Channel breakdown
R231
G9
B0
Red231 (90.6%)
Green9 (3.5%)
Blue0 (0%)
Hue2.34°
Saturation (HSL)100%
Lightness45.29%
Dominant channelRed
Hex per channelR E7 · G 09 · B 00
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