Recognised as Colour
#B3643C
- #B3643C
- Orange
- Dark
- Nearest: Sienna
#B3643C is a orange with RGB values 179, 100, 60 and HSL 20°, 50%, 47%. It is a dark colour, so black text on it reaches 4.8:1 contrast (AA for normal text). The nearest named colour is Sienna.
Colour values
#B3643C#B3643C
HEX#B3643C
RGBrgb(179, 100, 60)
RGB (0–1)0.702, 0.3922, 0.2353
RGB percentages70.2%, 39.2%, 23.5%
HSLhsl(20.2, 49.8%, 46.9%)
HSV / HSBhsv(20.2, 66.5%, 70.2%)
CMYK0%, 44.1%, 66.5%, 29.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,756,604
CSS custom property--colour: #B3643C;
Brightness & contrast
Relative luminance0.19024WCAG 2.x, 0 is black and 1 is white
Perceived brightness125.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.8:1
Contrast with white4.37:1WCAG normal text: Fail
Contrast with black4.8:1WCAG normal text: AA
Greyscale equivalent#727272
Inverted#4C9BC3
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.37:1WCAG large text: AA
Contrast with black, large text4.8:1WCAG large text: AAA
Named colours
Hue familyorange
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#3C8BB3
Analogous#B33C50, #B39F3C
Triadic#3CB364, #643CB3
Split complementary#3CB3A0, #3C4FB3
Tetradic#50B33C, #3C8BB3, #A03CB3
Tints, shades & saturation
Channel breakdown
R179
G100
B60
Red179 (70.2%)
Green100 (39.2%)
Blue60 (23.5%)
Hue20.17°
Saturation (HSL)49.79%
Lightness46.86%
Dominant channelRed
Hex per channelR B3 · G 64 · B 3C
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Harmonies
Similar named colours
Also reads as
B3643C (chemical formula)
- Formula
- 39,392.841 g/mol
- 3644 atoms
B3643C has a molar mass of 39,392.841 g/mol, made up of 3644 atoms across 2 elements: 3643 × B, 1 × C.
Molar mass
Molar mass39,392.841 g/mol
Total atoms per molecule3644
Distinct elements2
Mass of one molecule6.5413351 × 10^-20 g
Molecules per gram1.5287399 × 10^19
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%
C0%
Boron (B × 3643)39,380.83 g/mol, 99.97%
Carbon (C)12.011 g/mol, 0.03%
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