Colour
#DD1133
- #DD1133
- Red
- Dark
- Nearest: Crimson
#DD1133 is a red with RGB values 221, 17, 51 and HSL 350°, 86%, 47%. It is a dark colour, so white text on it reaches 5:1 contrast (AA for normal text). The nearest named colour is Crimson.
Colour values
#DD1133#DD1133
HEX#DD1133
HEX (short)#D13
RGBrgb(221, 17, 51)
RGB (0–1)0.8667, 0.0667, 0.2
RGB percentages86.7%, 6.7%, 20%
HSLhsl(350, 85.7%, 46.7%)
HSV / HSBhsv(350, 92.3%, 86.7%)
CMYK0%, 92.3%, 76.9%, 13.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer14,487,859
CSS custom property--colour: #DD1133;
Brightness & contrast
Relative luminance0.16012WCAG 2.x, 0 is black and 1 is white
Perceived brightness122.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5:1
Contrast with white5:1WCAG normal text: AA
Contrast with black4.2:1WCAG normal text: Fail
Greyscale equivalent#3F3F3F
Inverted#22EECC
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5:1WCAG large text: AAA
Contrast with black, large text4.2:1WCAG large text: AA
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#11DDBB
Analogous#DD1199, #DD5511
Triadic#33DD11, #1133DD
Split complementary#11DD55, #1199DD
Tetradic#99DD11, #11DDBB, #5511DD
Tints, shades & saturation
Channel breakdown
R221
G17
B51
Red221 (86.7%)
Green17 (6.7%)
Blue51 (20%)
Hue350°
Saturation (HSL)85.71%
Lightness46.67%
Dominant channelRed
Hex per channelR DD · G 11 · B 33
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