Recognised as Colour
#ED1800
- #ED1800
- Red
- Dark
- Nearest: Red
#ED1800 is a red with RGB values 237, 24, 0 and HSL 6°, 100%, 46%. 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
#ED1800#ED1800
HEX#ED1800
RGBrgb(237, 24, 0)
RGB (0–1)0.9294, 0.0941, 0
RGB percentages92.9%, 9.4%, 0%
HSLhsl(6.1, 100%, 46.5%)
HSV / HSBhsv(6.1, 100%, 92.9%)
CMYK0%, 89.9%, 100%, 7.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer15,538,176
CSS custom property--colour: #ED1800;
Brightness & contrast
Relative luminance0.18658WCAG 2.x, 0 is black and 1 is white
Perceived brightness130.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.73:1
Contrast with white4.44:1WCAG normal text: Fail
Contrast with black4.73:1WCAG normal text: AA
Greyscale equivalent#444444
Inverted#12E7FF
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.44:1WCAG large text: AA
Contrast with black, large text4.73:1WCAG large text: AAA
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#00D5ED
Analogous#ED005F, #ED8E00
Triadic#00ED18, #1800ED
Split complementary#00ED8E, #005FED
Tetradic#5FED00, #00D5ED, #8E00ED
Tints, shades & saturation
Channel breakdown
R237
G24
B0
Red237 (92.9%)
Green24 (9.4%)
Blue0 (0%)
Hue6.08°
Saturation (HSL)100%
Lightness46.47%
Dominant channelRed
Hex per channelR ED · G 18 · B 00
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