Recognised as Colour
#ED172D
- #ED172D
- Red
- Dark
- Nearest: Crimson
#ED172D is a red with RGB values 237, 23, 45 and HSL 354°, 86%, 51%. It is a dark colour, so black text on it reaches 4.8:1 contrast (AA for normal text). The nearest named colour is Crimson.
Colour values
#ED172D#ED172D
HEX#ED172D
RGBrgb(237, 23, 45)
RGB (0–1)0.9294, 0.0902, 0.1765
RGB percentages92.9%, 9%, 17.6%
HSLhsl(353.8, 85.6%, 51%)
HSV / HSBhsv(353.8, 90.3%, 92.9%)
CMYK0%, 90.3%, 81%, 7.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer15,537,965
CSS custom property--colour: #ED172D;
Brightness & contrast
Relative luminance0.18807WCAG 2.x, 0 is black and 1 is white
Perceived brightness131.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.76:1
Contrast with white4.41:1WCAG normal text: Fail
Contrast with black4.76:1WCAG normal text: AA
Greyscale equivalent#464646
Inverted#12E8D2
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.41:1WCAG large text: AA
Contrast with black, large text4.76:1WCAG large text: AAA
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#17EDD7
Analogous#ED1798, #ED6C17
Triadic#2DED17, #172DED
Split complementary#17ED6C, #1798ED
Tetradic#98ED17, #17EDD7, #6C17ED
Tints, shades & saturation
Channel breakdown
R237
G23
B45
Red237 (92.9%)
Green23 (9%)
Blue45 (17.6%)
Hue353.83°
Saturation (HSL)85.6%
Lightness50.98%
Dominant channelRed
Hex per channelR ED · G 17 · B 2D
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