Recognised as Colour
#FF515D
- #FF515D
- Red
- Dark
- Nearest: Crimson
#FF515D is a red with RGB values 255, 81, 93 and HSL 356°, 100%, 66%. It is a dark colour, so black text on it reaches 6.6:1 contrast (AA for normal text). The nearest named colour is Crimson.
Colour values
#FF515D#FF515D
HEX#FF515D
RGBrgb(255, 81, 93)
RGB (0–1)1, 0.3176, 0.3647
RGB percentages100%, 31.8%, 36.5%
HSLhsl(355.9, 100%, 65.9%)
HSV / HSBhsv(355.9, 68.2%, 100%)
CMYK0%, 68.2%, 63.5%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer16,732,509
CSS custom property--colour: #FF515D;
Brightness & contrast
Relative luminance0.27935WCAG 2.x, 0 is black and 1 is white
Perceived brightness155.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.59:1
Contrast with white3.19:1WCAG normal text: Fail
Contrast with black6.59:1WCAG normal text: AA
Greyscale equivalent#777777
Inverted#00AEA2
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.19:1WCAG large text: AA
Contrast with black, large text6.59:1WCAG large text: AAA
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#51FFF3
Analogous#FF51B4, #FF9C51
Triadic#5DFF51, #515DFF
Split complementary#51FF9C, #51B4FF
Tetradic#B4FF51, #51FFF3, #9C51FF
Tints, shades & saturation
Channel breakdown
R255
G81
B93
Red255 (100%)
Green81 (31.8%)
Blue93 (36.5%)
Hue355.86°
Saturation (HSL)100%
Lightness65.88%
Dominant channelRed
Hex per channelR FF · G 51 · B 5D
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