Recognised as Colour
#FF315A
- #FF315A
- Red
- Dark
- Nearest: Crimson
#FF315A is a red with RGB values 255, 49, 90 and HSL 348°, 100%, 60%. It is a dark colour, so black text on it reaches 5.8:1 contrast (AA for normal text). The nearest named colour is Crimson.
Colour values
#FF315A#FF315A
HEX#FF315A
RGBrgb(255, 49, 90)
RGB (0–1)1, 0.1922, 0.3529
RGB percentages100%, 19.2%, 35.3%
HSLhsl(348.1, 100%, 59.6%)
HSV / HSBhsv(348.1, 80.8%, 100%)
CMYK0%, 80.8%, 64.7%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer16,724,314
CSS custom property--colour: #FF315A;
Brightness & contrast
Relative luminance0.24195WCAG 2.x, 0 is black and 1 is white
Perceived brightness147.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.84:1
Contrast with white3.6:1WCAG normal text: Fail
Contrast with black5.84:1WCAG normal text: AA
Greyscale equivalent#606060
Inverted#00CEA5
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.6:1WCAG large text: AA
Contrast with black, large text5.84:1WCAG large text: AAA
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#31FFD6
Analogous#FF31C1, #FF6F31
Triadic#5AFF31, #315AFF
Split complementary#31FF6F, #31C1FF
Tetradic#C1FF31, #31FFD6, #6F31FF
Tints, shades & saturation
Channel breakdown
R255
G49
B90
Red255 (100%)
Green49 (19.2%)
Blue90 (35.3%)
Hue348.06°
Saturation (HSL)100%
Lightness59.61%
Dominant channelRed
Hex per channelR FF · G 31 · B 5A
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