Recognised as Colour
#ED3003
- #ED3003
- Red
- Dark
- Nearest: Orange red
#ED3003 is a red with RGB values 237, 48, 3 and HSL 12°, 98%, 47%. It is a dark colour, so black text on it reaches 5:1 contrast (AA for normal text). The nearest named colour is Orange red.
Colour values
#ED3003#ED3003
HEX#ED3003
RGBrgb(237, 48, 3)
RGB (0–1)0.9294, 0.1882, 0.0118
RGB percentages92.9%, 18.8%, 1.2%
HSLhsl(11.5, 97.5%, 47.1%)
HSV / HSBhsv(11.5, 98.7%, 92.9%)
CMYK0%, 79.7%, 98.7%, 7.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer15,544,323
CSS custom property--colour: #ED3003;
Brightness & contrast
Relative luminance0.20125WCAG 2.x, 0 is black and 1 is white
Perceived brightness134.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.03:1
Contrast with white4.18:1WCAG normal text: Fail
Contrast with black5.03:1WCAG normal text: AA
Greyscale equivalent#555555
Inverted#12CFFC
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.18:1WCAG large text: AA
Contrast with black, large text5.03:1WCAG large text: AAA
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#03C0ED
Analogous#ED034B, #EDA503
Triadic#03ED30, #3003ED
Split complementary#03EDA5, #034BED
Tetradic#4BED03, #03C0ED, #A503ED
Tints, shades & saturation
Channel breakdown
R237
G48
B3
Red237 (92.9%)
Green48 (18.8%)
Blue3 (1.2%)
Hue11.54°
Saturation (HSL)97.5%
Lightness47.06%
Dominant channelRed
Hex per channelR ED · G 30 · B 03
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