Recognised as Colour
#FF3E31
- #FF3E31
- Red
- Dark
- Nearest: Tomato
#FF3E31 is a red with RGB values 255, 62, 49 and HSL 4°, 100%, 60%. It is a dark colour, so black text on it reaches 6:1 contrast (AA for normal text). The nearest named colour is Tomato.
Colour values
#FF3E31#FF3E31
HEX#FF3E31
RGBrgb(255, 62, 49)
RGB (0–1)1, 0.2431, 0.1922
RGB percentages100%, 24.3%, 19.2%
HSLhsl(3.8, 100%, 59.6%)
HSV / HSBhsv(3.8, 80.8%, 100%)
CMYK0%, 75.7%, 80.8%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer16,727,601
CSS custom property--colour: #FF3E31;
Brightness & contrast
Relative luminance0.24927WCAG 2.x, 0 is black and 1 is white
Perceived brightness148.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.99:1
Contrast with white3.51:1WCAG normal text: Fail
Contrast with black5.99:1WCAG normal text: AA
Greyscale equivalent#666666
Inverted#00C1CE
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.51:1WCAG large text: AA
Contrast with black, large text5.99:1WCAG large text: AAA
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#31F2FF
Analogous#FF318B, #FFA531
Triadic#31FF3E, #3E31FF
Split complementary#31FFA5, #318BFF
Tetradic#8BFF31, #31F2FF, #A531FF
Tints, shades & saturation
Channel breakdown
R255
G62
B49
Red255 (100%)
Green62 (24.3%)
Blue49 (19.2%)
Hue3.79°
Saturation (HSL)100%
Lightness59.61%
Dominant channelRed
Hex per channelR FF · G 3E · B 31
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