Recognised as Colour
#B45155
- #B45155
- Red
- Dark
- Nearest: Indian red
#B45155 is a red with RGB values 180, 81, 85 and HSL 358°, 40%, 51%. It is a dark colour, so white text on it reaches 4.9:1 contrast (AA for normal text). The nearest named colour is Indian red.
Colour values
#B45155#B45155
HEX#B45155
RGBrgb(180, 81, 85)
RGB (0–1)0.7059, 0.3176, 0.3333
RGB percentages70.6%, 31.8%, 33.3%
HSLhsl(357.6, 39.8%, 51.2%)
HSV / HSBhsv(357.6, 55%, 70.6%)
CMYK0%, 55%, 52.8%, 29.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,817,301
CSS custom property--colour: #B45155;
Brightness & contrast
Relative luminance0.16244WCAG 2.x, 0 is black and 1 is white
Perceived brightness119.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.94:1
Contrast with white4.94:1WCAG normal text: AA
Contrast with black4.25:1WCAG normal text: Fail
Greyscale equivalent#666666
Inverted#4BAEAA
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.94:1WCAG large text: AAA
Contrast with black, large text4.25:1WCAG large text: AA
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#51B4B0
Analogous#B45187, #B47E51
Triadic#55B451, #5155B4
Split complementary#51B47E, #5187B4
Tetradic#87B451, #51B4B0, #7E51B4
Tints, shades & saturation
Channel breakdown
R180
G81
B85
Red180 (70.6%)
Green81 (31.8%)
Blue85 (33.3%)
Hue357.58°
Saturation (HSL)39.76%
Lightness51.18%
Dominant channelRed
Hex per channelR B4 · G 51 · B 55
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Harmonies
Similar named colours
Also reads as
B45155 (chemical formula)
- Formula
- 488,125.55 g/mol
- 45155 atoms
B45155 has a molar mass of 488,125.55 g/mol, made up of 45155 atoms across 1 element: 45155 × B.
Molar mass
Molar mass488,125.55 g/mol
Total atoms per molecule45155
Distinct elements1
Mass of one molecule8.1055155 × 10^-19 g
Molecules per gram1.2337278 × 10^18
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 × 45155)488,125.55 g/mol, 100%
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