Recognised as Colour
#FF1D5D
- #FF1D5D
- Red
- Dark
- Nearest: Crimson
#FF1D5D is a red with RGB values 255, 29, 93 and HSL 343°, 100%, 56%. It is a dark colour, so black text on it reaches 5.6:1 contrast (AA for normal text). The nearest named colour is Crimson.
Colour values
#FF1D5D#FF1D5D
HEX#FF1D5D
RGBrgb(255, 29, 93)
RGB (0–1)1, 0.1137, 0.3647
RGB percentages100%, 11.4%, 36.5%
HSLhsl(343, 100%, 55.7%)
HSV / HSBhsv(343, 88.6%, 100%)
CMYK0%, 88.6%, 63.5%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer16,719,197
CSS custom property--colour: #FF1D5D;
Brightness & contrast
Relative luminance0.22929WCAG 2.x, 0 is black and 1 is white
Perceived brightness144.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.59:1
Contrast with white3.76:1WCAG normal text: Fail
Contrast with black5.59:1WCAG normal text: AA
Greyscale equivalent#525252
Inverted#00E2A2
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.76:1WCAG large text: AA
Contrast with black, large text5.59:1WCAG large text: AAA
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#1DFFBF
Analogous#FF1DCE, #FF4E1D
Triadic#5DFF1D, #1D5DFF
Split complementary#1DFF4E, #1DCEFF
Tetradic#CEFF1D, #1DFFBF, #4E1DFF
Tints, shades & saturation
Channel breakdown
R255
G29
B93
Red255 (100%)
Green29 (11.4%)
Blue93 (36.5%)
Hue343.01°
Saturation (HSL)100%
Lightness55.69%
Dominant channelRed
Hex per channelR FF · G 1D · B 5D
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