Recognised as Colour
#B55853
- #B55853
- Red
- Dark
- Nearest: Indian red
#B55853 is a red with RGB values 181, 88, 83 and HSL 3°, 40%, 52%. It is a dark colour, so white text on it reaches 4.7:1 contrast (AA for normal text). The nearest named colour is Indian red.
Colour values
#B55853#B55853
HEX#B55853
RGBrgb(181, 88, 83)
RGB (0–1)0.7098, 0.3451, 0.3255
RGB percentages71%, 34.5%, 32.5%
HSLhsl(3.1, 39.8%, 51.8%)
HSV / HSBhsv(3.1, 54.1%, 71%)
CMYK0%, 51.4%, 54.1%, 29%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,884,627
CSS custom property--colour: #B55853;
Brightness & contrast
Relative luminance0.17428WCAG 2.x, 0 is black and 1 is white
Perceived brightness123 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.68:1
Contrast with white4.68:1WCAG normal text: AA
Contrast with black4.49:1WCAG normal text: Fail
Greyscale equivalent#6B6B6B
Inverted#4AA7AC
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.68:1WCAG large text: AAA
Contrast with black, large text4.49:1WCAG large text: AA
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#53B0B5
Analogous#B5537F, #B58953
Triadic#53B558, #5853B5
Split complementary#53B589, #537FB5
Tetradic#7FB553, #53B0B5, #8953B5
Tints, shades & saturation
Channel breakdown
R181
G88
B83
Red181 (71%)
Green88 (34.5%)
Blue83 (32.5%)
Hue3.06°
Saturation (HSL)39.84%
Lightness51.76%
Dominant channelRed
Hex per channelR B5 · G 58 · B 53
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Harmonies
Similar named colours
Also reads as
B55853 (chemical formula)
- Formula
- 603,770.93 g/mol
- 55853 atoms
B55853 has a molar mass of 603,770.93 g/mol, made up of 55853 atoms across 1 element: 55853 × B.
Molar mass
Molar mass603,770.93 g/mol
Total atoms per molecule55853
Distinct elements1
Mass of one molecule1.0025852 × 10^-18 g
Molecules per gram9.9742145 × 10^17
Name
NameNot in the name tablea name cannot be worked out from a formula alone: isomers share formulas, and naming depends on bonding the formula does not show
Composition by mass
B100%
Boron (B × 55853)603,770.93 g/mol, 100%
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