Recognised as Colour
#BB303A
- #BB303A
- Red
- Dark
- Nearest: Brown
#BB303A is a red with RGB values 187, 48, 58 and HSL 356°, 59%, 46%. It is a dark colour, so white text on it reaches 5.8:1 contrast (AA for normal text). The nearest named colour is Brown.
Colour values
#BB303A#BB303A
HEX#BB303A
RGBrgb(187, 48, 58)
RGB (0–1)0.7333, 0.1882, 0.2275
RGB percentages73.3%, 18.8%, 22.7%
HSLhsl(355.7, 59.1%, 46.1%)
HSV / HSBhsv(355.7, 74.3%, 73.3%)
CMYK0%, 74.3%, 69%, 26.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer12,267,578
CSS custom property--colour: #BB303A;
Brightness & contrast
Relative luminance0.12984WCAG 2.x, 0 is black and 1 is white
Perceived brightness110.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.84:1
Contrast with white5.84:1WCAG normal text: AA
Contrast with black3.6:1WCAG normal text: Fail
Greyscale equivalent#4E4E4E
Inverted#44CFC5
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.84:1WCAG large text: AAA
Contrast with black, large text3.6:1WCAG large text: AA
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#30BBB1
Analogous#BB3080, #BB6B30
Triadic#3ABB30, #303ABB
Split complementary#30BB6B, #3080BB
Tetradic#80BB30, #30BBB1, #6B30BB
Tints, shades & saturation
Channel breakdown
R187
G48
B58
Red187 (73.3%)
Green48 (18.8%)
Blue58 (22.7%)
Hue355.68°
Saturation (HSL)59.15%
Lightness46.08%
Dominant channelRed
Hex per channelR BB · G 30 · B 3A
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